Our Team

Jeffrey Proctor, M.B.A.

Executive Director

Jeff currently serves as the Executive Director of The Evaluation Center.  Jeff is responsible for the oversight of all active evaluation projects as well as the administration of The Evaluation Center.

Since joining the team in 2008, Jeff has had the opportunity to lead the evaluation of a wide range of projects including the State Opioid Response grant, Strategic Prevention Framework – Partnerships for Success grant, Colorado Clinical and Translational Sciences Institute, and State Epidemiological Outcomes Workgroup.  He has also led and supported evaluations for local nonprofit organizations, state funded initiatives, and federally funded programs.

Jeff is passionate about supporting programs that aim to improve the lives of individuals and their communities, and is especially interested in programs that address the social determinants of health.  He enjoys working with organizations to figure out how they can use data and evaluation findings to help their programs achieve greater impact.

Jeff developed The Evaluation Center’s Cultivating Evaluation Education and Development (CEED) program, which provides pro bono evaluation services to selected non-profit organizations in Metro Denver.  The CEED program allows The Evaluation Center to give back to organizations that are doing important work in the community, while providing an excellent professional development opportunity for the Center’s junior staff to lead the evaluations.

Jeff holds degrees from Colorado State University (B.A. in Business Administration, Concentration: Marketing) and the University of Colorado Denver (Master of Business Administration, Concentrations: Decisions Sciences and Managing for Sustainability).

When Jeff is away from the office he enjoys spending time outdoors hiking, fishing, and camping with his family, friends, and dog.

Susan Connors, Ph.D.

Associate Director

Dr. Connors currently serves as an Associate Director and Senior Evaluator at The Evaluation Center. In this role, she currently serves as the project leader for education-focused evaluations for projects including NxtGEN (a U.S. Department of Education Teacher Quality Partnership grant to the CU-Denver School of Education and Human Development and Denver Public Schools), two National Institutes of Health grants to the University of Zimbabwe College of Health Sciences, the STEM program in Englewood Public Schools, Engaging Schools, and the CU-Denver Center for Faculty Development. She contributes to the evaluation of the Substance Abuse and Mental Health Services Administration (SAMHSA) grants to five communities in Colorado and other projects conducted by The Evaluation Center.

Prior to joining The Evaluation Center, Dr. Connors spent 30 years as a Teacher and Counselor in Adams 12 School District. Additionally, she served as test coordinator for national and state assessments, data analyst, and an evaluator for North Central Association. She served as a college coach for the Daniels Fund College Scholarship Program and as a mentor/trainer for other grant awardees for the National Education Association.

Dr. Connors’ goals in evaluation work are to involve participants in all steps of the evaluation process and to advance the understanding of evaluation for both program leaders and future evaluation practitioners. She is especially interested in providing credible and actionable evaluation data to leaders of programs who are working to increase the access of under-served populations to quality education and healthcare.

Dr. Connors holds degrees from Creighton University (B.A. in English and History) and the University of Colorado Denver (M.A. in Guidance & Counseling and Ph.D. in Educational Leadership).

When Susan is away from The Evaluation Center, she loves spending time with her granddaughter, planning and cooking for family celebrations, and traveling.


Tracey O’Brien, MPA

Senior Evaluator

Tracey serves as a Senior Evaluator at the Evaluation Center. She is a Colorado native who over the last 20 years has led a number of initiatives to improve the evaluation strategies of human service organizations serving our most vulnerable populations.

Tracey’s work in the field of housing and homelessness spans projects such as the Statewide Point-In-Time Homeless studies; asset mapping services for persons experiencing homelessness; and research of Discriminatory Predatory Lending Practices for the Colorado Civil Rights Division. From 2009 through 2014, she was the lead in organizing the collection of Denver Metropolitan area homeless data which included participation on advisory committees, designing and field-testing survey instruments, developing training materials, planning logistics, training agency staff and volunteers, analyzing data, and the preparation and editing of reports of findings and recommendations.

Additionally, Tracey has a keen interest and extensive experience evaluating education programs. She has conducted work in the early childhood arena such as the Early Childhood Care and Education (ECE) Needs Assessment for the Piton Foundation; evaluation of early intervention programs such as Colorado Bright Beginnings, Parents as Teachers (PAT), and Home Instruction Program for Preschool Youngsters (HIPPY). She has also conducted program evaluation for various K-12 initiatives such as the dropout prevention programs for the Engagement Centers and Credit Recovery programs through Denver Public Schools; online learning program for the Colorado Department of Education; and an assessment for statewide integrated ECE data system for the Head Start State Collaboration office. Recently, she completed a complex Child Care Market Rate Survey study for the Colorado Department of Human Services.

Most recently, Tracey has focused on the field of public health. She is currently leading a three-year, statewide, multi-level tobacco education and prevention program evaluation. This is a collaborative project with the Colorado School of Public Health Community Epidemiology & Program Evaluation Group (CEPEG) to assist program grantees in designing and implementing evaluation of tobacco control program activities conducted with Amendment 35 grant funding during FY2015-2018.


Christine Velez, M.A.

Associate Director

Christine Velez is a Senior Evaluator with 25 years of experience in program evaluation. For most of her career, Christine’s work and interests have been focused on housing, education and work with vulnerable populations. She serves as the co-lead for the process evaluation of Denver’s Supportive Housing Social Impact Bond Initiative which provides supportive housing to chronically homeless individuals in our community.

Christine’s strengths lie in her depth of experience working in diverse communities and in a variety of contexts.  For ten years, she was part of the team that managed and implemented the Indian Housing Block Grant (IHBG) program for the Department of Housing and Urban Development (HUD) which included providing on-site technical assistance to Indian Tribes across the U.S.  She is currently the lead evaluator on the Environmental Stewardship of Indigenous Lands, a National Science Foundation (NSF) project which calls for culturally relevant approaches in all aspects of evaluation from communication with tribal members to data collection methods that are based in cultural traditions.

As a native Spanish speaker, Christine’s work with monolingual Spanish speaking communities is invaluable to ensuring evaluation is also inclusive of the Latino voice. Her experience has included conducting interviews and focus groups with a range of Spanish speaking stakeholders such as child care providers, parents, the business community and elected officials.  She coordinated and worked as a translator for the U.S.-Nicaragua Housing Policy Leadership Forum.  As the lead evaluator for the NSF National Resource Hub for STEM Education at Hispanic-Serving Institutions, she is proud to work with leaders from New Mexico and California who promote STEM success for underrepresented students.

Christine also serves as a mentor in the Leaders in Equitable Evaluation and Diversity program designed to develop a pipeline of diverse leaders.  She is a member of the Advancing Culturally-responsive and Equitable (ACE) Evaluation Network, a community of racially and/or ethnically diverse evaluators whose mission is to both drive and support the practice of excellent, culturally responsive and equitable evaluation.  She participated in the 2018 Colorado Equitable Evaluation Cohort and is committed to deepening her culturally responsive and equitable evaluation practice.

Christine holds degrees from St. Joseph’s College (B.A. in Human Relations) and Michigan State University (M.A. in Sociology).

Downtime from the office includes playing softball, practicing yoga, traveling, and connecting with family and friends.

Goldie Komaie, Ph.D.

Senior Evaluator

Goldie Komaie is a Senior Evaluator at the Evaluation Center.  She brings nearly 10 years of experience in community-based research and evaluation in public health programs that aim to improve health care access and reduce health disparities in medically underserved populations. Goldie is currently the Evaluation Core Director for the Colorado Clinical and Translational Sciences Institute (CCTSI) at the University of Colorado Anschutz Medical Campus.

Previously, Goldie was a Senior Scientist at Washington University in St Louis School of Medicine.  She evaluated the Community Research Fellows Training (CRFT) program, a 15-week public health training to engage and build research capacity among community health stakeholders. Goldie has published about the CRFT program in Health EquityJournal of Empirical Research on Human Research Ethics and Pedagogy in Health Promotion.

Goldie earned her PhD in Sociology from the University of California, Irvine.  She is a member of the Advancing Culturally-responsive and Equitable (ACE) Evaluation Network, a community of racially and/or ethnically diverse evaluators whose mission is to both drive and support the practice of excellent, culturally responsive and equitable evaluation.

Away from the office, Goldie enjoys spending time with her family, camping, hiking, exploring Colorado, and visiting her family and friends in Southern California.


Bridget Nuechterlein, M.A.

Senior Evaluation Specialist

Bridget is currently an Evaluation Specialist with the Evaluation Center. She provides assistance with quantitative and qualitative data collection, management, and analysis for a variety of projects within the center.

Prior to joining the Evaluation Center, Bridget worked as a program evaluation specialist at the Office of Inclusion and Outreach at the University of Colorado Anschutz Medical Campus. The Office of Inclusion and Outreach promotes several different educational opportunities to underrepresented and underserved populations.

Bridget’s experience as a graduate student, program evaluation specialist, and business consultant, has given her the opportunity to cultivate a wide understanding of data collection methodologies, data analysis techniques, and evaluation design. She is passionate about the story behind the statistics and is particularly interested in educational and health disparities. She believes that evaluation is one of many tools that can be used to increase the effectiveness and impacts of educational programs and interventions.

Bridget holds degrees from University of Colorado Denver (M.A. in Educational Psychology, Concentration: Research and Evaluation) and Christian Brothers University (B.A., Psychology).

In her free time, Bridget enjoys everything Colorado has to offer. You can find her spending time with her family, hiking, wake-boarding, playing sports (e.g., tennis, volleyball), snowboarding, and traveling.


Peter Rumbach, M.P.A.

Senior Evaluation Specialist

Peter is a Senior Evaluation Specialist with The Evaluation Center and provides evaluation services in a variety of content areas, including public health, behavioral health, substance abuse, community health coalitions, youth engagement, and medical education. In addition to program evaluation, Peter enjoys working with clients on capacity building, training, and technical assistance. He currently leads the health partnership evaluation of Rise Above Colorado’s Constellation Model of Governance which seeks to understand the effectiveness of the organization’s local and state partnerships whose goals are to increase Positive Youth Development and decrease youth misuse of prescription drugs.

Peter believes program evaluation provides organizations an opportunity to make evidence-based decisions and strive for continual quality improvement; he enjoys being out in the community working face-to-face with clients to increase the use and understanding of evaluation. Peter is most adept at collaborating with communities to build their evaluation capacity via in-person and web-based evaluation trainings, producing user-friendly evaluation products, and finding innovative ways to promote evaluation utilization.

Prior to beginning his post-graduate studies, Peter worked for eight and a half years in the education field including, four years as an instructor and student counselor in an adult, English language school; two years as an Education volunteer with the United States Peace Corps in Thailand; and two years as a preschool teacher. In addition to his work in education, he also served as an HIV/AIDS resource volunteer with the Peace Corps. He brings this passion and experience to his work at the Evaluation Center.

In addition to the work with communities, Peter appreciates time to conduct literature reviews, collect and analyze quantitative and qualitative data, and apply innovative technologies for data presentation.

He received a Master of Public Administration with a concentration in Nonprofit Management from the School of Public Affairs at the University of Colorado – Denver and holds a B.A. in Humanities from the University of Colorado – Boulder.

He has a keen interest in international travel and work, having been to over 15 countries outside the U.S. The next country on his list is to revisit Thailand after many years away. He also loves all the outdoor Colorado activities, including snowboarding, backpacking, and trail running.


Erica Clarke, M.A.

Senior Evaluation Specialist

Erica Clarke is a Senior Evaluation Specialist at The Evaluation Center with more than ten years of experience in evaluating hospital and health center based interventions and programs, community-based coalitions and statewide public health initiatives. She is passionate about employing a participatory approach to evaluation and values engaging stakeholders early in evaluation planning to encourage utilization of evaluation results for decision-making and program improvement.

Currently, Erica is leading a research study examining the functioning and sustainability of the community coalitions funded through the Colorado Department of Human Services Office of Behavioral Health Partnerships for Success Grant. Additionally, she is co-leading the needs assessment and evaluation of a collaborative project funded by the Colorado Department of Human Services Office of Behavioral Health project that aims to support prevention education with the end goal of reducing youth marijuana use and delaying the age that youth first use marijuana. For three years, she provided evaluation training and technical assistance to staff at local public health agencies across Colorado and led an evaluation study of the community grantees’ programs and policy work for the State Tobacco Education Prevention Partnership (STEPP).

Prior to joining The Evaluation Center in 2015, she worked for nine years evaluating hospital and health center based interventions and programs at the Center for Community Health Improvement at Massachusetts General Hospital in Boston. There she also gained experience working with community-based coalitions doing prevention work in the areas of underage drinking, opioid misuse and overdose and obesity. She has worked with a wide variety of stakeholders across multiple health issues.

Erica earned her Master’s Degree in Psychology in at Brandeis University in Waltham, Massachusetts and received her Bachelor’s Degree in Psychology from the University of Colorado, Boulder.

When not at the office, she enjoys spending time with her family in Colorado’s beautiful landscape.


Shuyuan Tan, M.A.

Evaluation Specialist

Shuyuan is an Evaluation Specialist at The Evaluation Center. She provides evaluation services in quantitative and qualitative data collection, management, and analysis for a variety of projects. Specifically, Shuyuan currently works on several projects focused on education development and public health. She also provides evaluation support to the education pillar for Colorado Clinical Translational Sciences Institute (CCSTI). In that capacity, she manages the overarching database, tracks grant outcomes, and provides bibliometric analysis.

Shuyuan holds a Master of Art in Education and Human Development, concentrated in Research and Evaluation from University of Colorado Denver. Prior to CU Denver, she earned a BA in Applied Psychology from Guangxi Teachers Education University in China. She is very interested in cultural diversity and adaption, and issues that related to education.

In her free time, she enjoys watching movies, reading books, and spending time with her family.

Liz Sweitzer, M.A.

Senior Evaluation Specialist

Liz Sweitzer is an Evaluation Specialist with The Evaluation Center. Trained as a medical anthropologist, Liz has extensive experience working with community-driven health initiatives, working with vulnerable populations, and adapting research and evaluation to be culturally appropriate and salient in different contexts.  She is the lead evaluator for the Community Engagement programs under the NIH- funded Colorado Clinical and Translational Sciences Institute, including their community-based participatory research projects centered on empowering underserved communities to have equal voice and control in the biomedical research that impacts them. She also leads the evaluation of the Peer Recovery Coach program under the State Opioid Response grant funded by SAMHSA. Liz has worked in or collaborated with partners in the Middle East, North Africa, Western Asia, and the U.S. Her passion lies in using participatory and qualitative methods to amplify the stories of program participants and community members and centering equity and social justice in her work.

Liz holds a Master of Arts in Medical Anthropology from the University of Colorado Denver and a B.A. in Cultural Anthropology from the University of Asheville North Carolina. Her previous research includes cultural impacts on biomedical acceptability amongst women, impacts of racial and geopolitical anxieties on performance mediums, and decision-making practices and governing structures within intentional communities. Her graduate work included program evaluation, data analysis for the American Pediatric Association, volunteering for the Harm Reduction Action Center of Denver, and serving as a Resource Specialist for United Way.

In her free time, Liz loves traveling, performance art, board games, and her parrot Dali.

Allyssa Mastroni

Evaluation Data Manager

Allyssa is an Evaluation Data Manager at The Evaluation Center. She has years of experience providing administrative support, coordinating evaluation activities, and fulfilling reporting requirements. Currently, Allyssa oversees data collection, data entry, and reporting for the State Opioid Response (SOR) project. This includes oversight and coordinating of data collection graduate assistants, collaborating with state partners, and providing training and technical assistance to SOR-funded opioid treatment providers across the state. With an interest in trauma informed approaches, Allyssa brings a trauma informed perspective, including an expertise in trauma informed interviewing to The Evaluation Center.  She has also developed various data tracking tools for the SOR Evaluation and has expertise in REDCap, Salesforce and SAMHSA’s Performance Accountability and Reporting System (SPARS). Additionally, Allyssa assists with project budget management and invoicing. Previously at TEC, Allyssa supported evaluation projects across TEC and led internal administrative operations.

Prior to joining The Evaluation Center in 2017, Allyssa worked as a youth specialist at Community Reach Center, a local mental health center. In this position, she worked directly with school-aged youth facilitating substance use prevention education classes and collecting youth data through surveys and focus groups. She brings this passion for behavioral health to her work at The Evaluation Center.

Allyssa holds a B.A. in Sociology from Regis University. As a Denver native, she loves to spend time outdoors and enjoys whenever she can cheer on her hometown Rockies, Nuggets, Broncos, and Avs. In her free time, Allyssa enjoys spending time with family, friends, and running with her dog, Nuke.

Emily Hecker, M.A.

Evaluation Specialist

Emily is an Evaluation Specialist at The Evaluation Center. She graduated in 2019 from the University of Colorado Denver with a Master of Arts in Medical Anthropology, along with earning a certificate in Latino Public Health from the Colorado School of Public Health. While she was earning her degree Emily worked as a graduate assistant at The Evaluation Center and assisted in qualitative and quantitative data collection, management, analysis, visualization, and reporting on a variety of projects. Now, Emily continues to serve as support and a Lead or Co-lead on a variety of projects.

Emily’s passion lies in using evaluation to increase health and educational equity in our Colorado communities. Prior research included health disparities, especially in regard to healthcare access and utilization among Latinx immigrant populations. She also evaluated a diabetes prevention program tailored to Latinx communities in Denver, and was part of a team that completed a community health assessment for a local federally qualified healthcare facility. Emily’s Spanish language skills are also key to engaging and collecting data with the LatinX communities in Denver.

Emily spends her free time with her family and friends, whether that be in a bowling league, watching movies, or backpacking around Colorado and the West. She also enjoys traveling, especially with her husband, to visit family and friends in Ecuador.

Sydney Chaves, M.P.H.

SEOW/ SOR Coordinator

Sydney recently graduated from the Colorado School of Public Health at the University of Colorado with a Master of Public Health in Health Systems, Management and Policy. While completing her degree Sydney worked as a Graduate Assistant at The Evaluation Center. During that time, Sydney supported the evaluation of the State Opioid Response (SOR) grant funded by the Colorado Office of Behavioral Health, which she is excited to continue as a member of The Evaluation Center team.

Since joining the team in 2019, Sydney has been involved in grant monitoring, qualitative and quantitative data collection, data entry, analysis, and reporting; as well as maintaining rapport with individuals and organizations benefitting from the SOR grant. Through her work on the SOR grant, Sydney has gained expertise in different data collection platforms, including SPARS, Salesforce, REDCap, and Qualtrics. Sydney looks forward to expanding these skills to other projects as she transitions into a role as the SEOW/SOR Coordinator.

Prior to moving to Colorado, Sydney obtained a B.S. in Exercise Science from Southern Utah University, and enjoys using that background in her personal life while coaching gymnastics, hiking, and backpacking. After a lifetime of traveling and living in Alaska, Brazil, and Utah, Sydney has decided to make Denver her home for now.

During her free time, she can be found at a Rockies game, exploring the backwoods with her dog, or traveling the world, especially Brazil where she can continue to use her Portuguese language skills. Sydney’s greatest accomplishment in life is the time she finished a loaf of bread, jar of peanut butter, and jar of jelly all on the same sandwich.

Greta Moser

Graduate Assistant

As a graduate assistant at The Evaluation Center, Greta assists in grant monitoring and other data collection efforts for the State Opioid Response (SOR) grant funded by the Colorado Office of Behavioral Health. She primarily conducts interviews with stakeholders and community members, completes data entry and analysis, and helps with important groundwork through literature reviews and summaries.

Greta also completed her practicum at The Evaluation Center and helped collect data for the Tribal Substance Use Disorder (SUD) Feasibility Assessment; another project funded by the SOR grant.  She assisted in collecting and coding data on funding SUD treatment for Native Americans, conducted interviews with experts in Native American health, and gathered input from Native American communities on their own perceived needs related to SUD treatment.

Greta holds a B.S. in Nutrition from Appalachian State University, and is currently attending the University of Colorado, Anschutz Medical Campus where she is pursuing her Master of Public Health with a concentration in health systems, management, and policy.  Before she moved to Denver to pursue her master’s degree, Greta lived in North Carolina working as an AmeriCorps VISTA supporting local food systems in rural mountain counties.  Her term working with food insecure communities turned into a passion for working with and listening to underserved populations in order to best meet their needs.

When she’s not in class or at work, Greta can be found shooting film, hiking, skiing, or spending quality time with friends and family.

David Leech

Graduate Assistant

David is currently pursuing a master’s degree in Research and Evaluation Methods from the School of Education and Human Development. He supports The Evaluation Center with several federally funded programs, including the Colorado Clinical and Translational Sciences Institute (CCTSI) and the NSF National Resource Hub for STEM Education at Hispanic-Serving Institutions.

David is passionate about using data to inform equitable decision making in a variety of disciplines. He has had a unique path to evaluation, having earned a bachelor’s degree in clarinet performance with a minor in business analytics from the University of Colorado Boulder in 2018. As a musician, he saw the many barriers to access faced by underrepresented groups in pursuing a music career. Always drawn to data analysis, he also realized the vast number of evaluation opportunities that could help identify and begin to address these inequities. Inspired by these experiences, he decided to combine his interests and pursue a career in research and evaluation.

In his free time, David enjoys spending time with his family and his two cats, Roo and Sherbert. With two years of experience as a barista, he also loves making and trying new coffees.

Eve Ozog 

Graduate Assistant

Eve is currently pursuing her Masters in Public Health – Global Health and Health Disparities at the Colorado School of Public Health. As a Graduate Assistant at The Evaluation Center, she assists in the data collection, grant monitoring, and other evaluation efforts of the State Opioid Response (SOR) grant funded by the Colorado Office of Behavioral Health.

After receiving her B.S. in Human Biology from the University of California Santa Cruz, Eve worked as an EMT at a family practice in Northern Colorado as the main clinical support staff for a provider specializing in transgender healthcare. Eve has also served as a Crisis Hotline volunteer for the Sexual Assault Victim Advocacy Center (SAVA) in Fort Collins. She is passionate about health equity and advocating for historically marginalized and systemically underserved populations and is excited to bring this motivation to her role at The Evaluation Center. Through her role as President of the Colorado School of Public Health at CSU Student Council and her work with the school’s Student Anti-Racism Action Team, Eve is dedicated to advancing racial equity within her educational community and future Public Health Career.

If you’re looking for Eve you can find her exploring the slot canyons of Utah, trying out a new recipe in the kitchen, or spending time with her cat, Honey. 

Carolina Jaime, M.A.

Graduate Assistant

Carolina is currently pursuing a doctorate degree in the Health and Behavioral Sciences program at the University of Colorado Denver and is particularly interested in climate vulnerability. As a Graduate Assistant at The Evaluation Center, she assists in the data collection, grant monitoring, and other evaluation efforts of the State Opioid Response (SOR) grant funded by the Colorado Office of Behavioral Health.

Prior to starting at CU Denver, Carolina completed a B.S. in Evolutionary Anthropology at the University of New Mexico and an M.A. in Evolutionary Anthropology at California State University, Fullerton. During her time in California, Carolina was given the opportunity to join her advisor on a research trip to his field site of 30 years, an Indigenous community of Ecuador called Conambo. Her experience in Conambo inspired her interest in climate and disease vulnerability among disadvantaged and Indigenous populations. As a native Spanish speaker, Carolina hopes to continue to work with Latin American communities throughout her career.

In her free time, Carolina enjoys painting and baking, listening to live music with her fiancé, or taking long afternoon naps with her kitties, Oli and Artie.

Taylor Vaughan

Graduate Assistant

Taylor is currently pursuing her master’s degree in Public Health – Epidemiology from the Colorado School of Public Health at the University of Colorado Anschutz Medical Campus. As a Graduate Assistant at The Evaluation Center, she assists in the data collection, grant monitoring, and other evaluation efforts of the State Opioid Response (SOR) grant funded by the Colorado Office of Behavioral Health.

 Taylor is a recent graduate from the University of Colorado Boulder, where she graduated with distinction with a double major in Molecular, Cellular, and Developmental Biology (MCDB) and Spanish Language & Literature with a minor in Sociology and a certificate in Public Health. As an undergraduate student, she worked at both the CU Boulder Alumni Association as a Student Assistant and the CU Boulder Health and Wellness Services as a Contact Tracer to help limit the spread of COVID-19 within the greater Boulder area. She is passionate about the social determinants of health and is excited to learn more about the dynamic field of Public Health to help promote healthy behaviors and prevent chronic diseases for future generations.

In her free time, Taylor enjoys running, biking, hanging out with her four dogs, and spending time with her friends and family.


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