Our Team


Araceli-C-updated.pngAraceli Castellanos – Research Analyst:

Araceli joined SSG in 2013. As a Research Analyst she specializes in managing community needs assessments, capacity-building projectsand providing technical assistance for local non-profitsPrior to SSG, Araceli managed the Dual Language Project, a longitudinal study in the Media and Language Laboratory at California State University, Los Angeles. She has eight years of experience in research and evaluation and specializes in child development. Her works have been presented at the Society for Research in Child Development and the American Psychological Association. At SSG, Araceli applied this knowledge and experience by guiding community parent groups through making data-decisions to address early childhood development issues for First 5 LA’s Best Start Developmental Evaluation. Her research interestinclude early education, school readiness and youth development. Araceli is fluent in Spanish, holds a Master’s degree in Child Development and is a CFLE (Certified Family Life Educator) from California State University, Los Angeles.

Email: acastellanos@ssg.org
Phone: (213) 223-0614

Art-G.pngArt Garcia – Senior Research Analyst:

Art joined SSG as a graduate student intern in 2011. As a Senior Research Analyst, he specializes in strategic planning for local non-profits, rigorous evaluation of public health programs, immigrant health and health policy analysis. He has 11 years of clinical and community-based research experience on a range of issues from genetic eye conditions to adolescent substance abuse. At SSG, Art continues to pursue his interests in using community-based participatory research, empowerment evaluation and a mixed-methods approach to address health inequalities in low-income and migrant populations. He also works on projects examining system-level factors that influence health outcomes and facilitates logic model trainings. His commitment to elevating the needs of underserved communities come from his upbringing in low-income communities in San Bernardino County. Currently, Art manages the Healthy Rancho Cucamonga Evaluation and Orange County Partnership to Improve Community Health Active Transportation Evaluation. Art is fluent in Spanish and holds a Bachelor’s of Arts in Biology and a Bachelor’s of Science in Public Health from California State University, San Bernardino. He received a Master of Public Health from the University of California, Los Angeles.

Email: agarcia@ssg.org
Phone: (213) 223-0616


Dan Huynh – Research Analyst:

Dan joined SSG in 2017. As a Research Analyst, she co-leads program evaluation and provides technical assistance on a variety of projects. She is a qualitative evaluator of the school-based program, HealthCorps, and assists Asian Pacific Islander organizations in the development of their evaluation plans as a part of the California Department of Public Health, Office of Health Equity’s, California Reducing Disparities Project. Prior to SSG, Dan was the lead analyst on a UCLA health impact assessment of the California High-Speed Rail where she worked with an array of tools, including: logic models, Census data analysis, and youth-led Photovoice in the Central Valley. This experience solidified her interests in applying evidence and community-based participatory research to inform policy-making practices and, building the capacity of under-served communities to use these tools. Dan is a conversational Vietnamese speaker and holds a Master of Public Health degree from the University of California, Los Angeles.


Email: dhuynh@ssg.org
Phone: (213) 223-0621

Erica_J_highres.jpgErica JuhnResearch Analyst:

Erica joined SSG in 2014. As a Research Analyst, her specialties include program evaluation and organizational capacity-building for programs and social justice projects in the Asian American and Pacific Islander communities. At SSG, she worked with Asian Americans/Pacific Islanders in Philanthropy (AAPIP) to evaluate their 5-year National Giving Circle Campaign and is currently providing technical assistance and support for Phase II community grantees of the California Department of Public Health’s California Reducing Disparities Project. Erica has 15 years of experience working with Los Angeles-based nonprofits and previously worked with the Korean immigrant community on language access and as a health educator. Her research interests include health education and health equity, with a focus on older adults. A conversational Korean-speaker, Erica holds dual Master’s degrees, a Master of Public Health in Community Health Sciences and a Master’s degree in Asian American Studies from the University of California, Los Angeles.

Email: ejuhn@ssg.org
Phone: (213) 223-0618

Erica_S_highres.jpgErica Shehane – Director of Research & Evaluation:

Erica joined SSG in February of 2014. As the Director of SSG Research and Evaluation Team, she provides leadership and guidance on many of SSG R&E’s projects including: Technical Assistance Provider for the Asian & Pacific Islander populations as part of The California Department of Public Health, Office of Health Equity’s, California Reducing Disparities Project; learning and evaluation for the South Los Angeles site of The California Endowment’s Building Healthy Communities initiative; and the Outreach Partnership Program for the National Institute of Mental Health. Erica has over 15 years of experience working in non-profit, community health and mental health organizations on national and international evaluation projects. Prior to joining SSG, she managed the evaluation of drug treatment centers in Guatemala and El Salvador with the United Nations Office of Drugs and Crime and the Centers for Disease Control and Prevention Global AIDS Program (CDC-GAP). She was also the project director of a 5-year, multi-site National Institute of Health’s (NIH) study related to decision-making and ethics in medicine at Children’s Hospital Los Angeles Community Health Outcomes and Interventions Research Center. Erica is a licensed clinical social worker (LCSW), and has held positions lecturing at the University of Southern California’s School of Social Work and UCLA Luskin’s Department of Social Welfare. Erica has dual Master’s degrees in Social Work and Public Health from the University of California, Los Angeles.

Email: eshehane@ssg.org
Phone: (213) 553-9350


Rebecca Ratzkin - Assistant Director of Research & Evaluation:

Rebecca Ratzkin joined SSG R&E in April 2017. As Assistant Director, she provides guidance to the overall SSG team around strategy and team development, and helps to manage a range of projects, such as the California Reducing Disparities Project (CRDP) addressing mental health in the API communities. Rebecca comes to SSG with over ten years experience as a researcher, planner and evaluator in the nonprofit sector, helping organizations, foundations and government agencies better understand their constituencies and audiences, and build capacity around research and evaluation. Her interest and skills focus on bridging theory and practice, as well as empowering others to conduct and utilize research independent of “experts.” In her previous work as Senior Consultant at WolfBrown, she directed the Arts Research Collaborative (ARC) for the Hewlett Foundation Performing Arts Program from 2012 to 2015, providing technical and training assistance to over 44 Bay Area arts organizations, and has co-authored a number of reports on topics ranging from donor motivations and audience engagement, to cultural participation and intrinsic impact of the arts. Rebecca is also the Research Team Leader at Createquity, an arts research think tank, where she helps guide team members in reviewing and writing about research. Rebecca graduated Phi Beta Kappa from Oberlin College with major in art history, and has a master’s in urban planning from the UCLA Luskin School of Public Affairs, where she studied economic clusters of arts organizations in the Miracle Mile neighborhood of Los Angeles.

Email: rratzkin@ssg.org
Phone: (213) 223-0623

Tracy_highres.jpgTracy MoronattyResearch Associate:

Tracy joined SSG in 2015As a Research Associate, she supports data entry, data collection efforts and trainings. Prior to joining SSG, Tracy was a dedicated community volunteer and participant of First 5 LA’s place-based initiative, Best Start, in her hometown of El Monte. She participated in the initiative’s Community Based Action Research (CBAR) program, which SSG was implementing. Her growing interest in research led her to approach SSG staff to ask how she could learn more. She joined our team as an intern and has assisted in projects such as the Migrant Education Needs Assessment for LA County. Following her interest in community-based participatory research and with great encouragement from our team, she is currently pursuing her Bachelor's degree at California State Polytechnic University, Pomona.

Email: tmoronatty@ssg.org
Phone: (213) 223-0623