Leadership
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Erik Groessl, PhD
Executive DirectorDr. Groessl has served as Center Director of the UCSD Health Services Research Center since 1999 and as Executive Director since 2014. He is a Professor of Public Health at UCSD and is a Principal Investigator at the VA San Diego. He received his Clinical Psychology PhD in 1999 from the SDSU/UCSD Joint Doctoral Program with a specialization in Behavioral Medicine/ Health Psychology.
Dr. Groessl conducts research in the general areas of:- -Integrative Medicine
- -Behavioral Interventions
- -Veterans and military health
- -Cost-effectiveness
- -Health-related quality of life
- -Patient self-management
His current projects focus on the benefits of yoga for older adults and for military veterans with chronic pain and/or PTSD. He also conducts cost-effectiveness analyses for a variety of different projects.Contact:
egroessl@health.ucsd.edu
858-642-6347 -
Andrew Sarkin, PhD
Director of Evaluation Research
Dr. Sarkin is a clinical psychologist and expert in the measurement and assessment of health and behavioral outcomes with over 20 years of experience in program evaluation. He is currently the Health Services Research Center (HSRC) Director of Evaluation Research and has served as a co-investigator for a San Diego County Behavioral Health Services contract to provide data analysis and performance monitoring and evaluation since 2002.
Dr. Sarkin directs the evaluation of several SAMHSA contracts. He manages the evaluation of the San Diego Mental Health Services Act (MHSA) Prevention and Early Intervention and Innovations evaluation efforts manages the processes of stakeholder and advisory group engagement, oversees data analysis, and is active in designing and delivering program staff training. In addition, he teaches program evaluation classes at San Diego State University and UCSD and has over 42 peer-reviewed publications.
Dr. Sarkin provides expertise in evaluating policy and systems change, evaluating community engagement, collaboration, and partnerships, and evaluating study design. He also has experience in key informant interview data collection, conducting evaluation of health programs that target priority populations, longitudinal qualitative data analysis, and data dissemination. He is also the director of the internship program at HSRC.
Contact:
asarkin@health.ucsd.edu
858-622-1771 -
Steve Tally, PhD
Director of Clinical Research
Dr. Tally received his doctoral degree in Human Development at the University of California, Irvine, and his M.A. in Experimental Psychology from San Diego State University. He currently oversees a series of sports medicine clinical trials examining performance, hydration, and recovery from concussion and TBI. He additionally as a lead role managing reporting efforts for the San Diego County Adult and Older Adult Mental Health System supervising analysis and reporting efforts for both San Diego County Mental Health and Drug and Substance programs. Dr. Tally has served as a Task Force member for the California Health Benefits Review Program (CHBRP) since 2014.
Contact:
stally@health.ucsd.edu
858-622-1771 -
Kyle Choi, MPH
Information Systems Analyst
Kyle Choi holds a Master's degree in Public Health with a concentration in Epidemiology from San Diego State University, where he studied the effects of violence on mental health. As a member of HSRC, he oversees the informatics team responsible for developing and maintaining cutting-edge data capture and reporting systems.
Currently, Kyle is involved in advancing research and informatics support for HSRC, San Diego County Behavioral Health Services, and VA San Diego. Specifically, for San Diego County, he leads informatics efforts on Adult and Older Adult CSS, PEI, INN, and Clubhouse contracts while supporting data collection needs for other projects such as ASP, S2C, Care Court, CalWORKS, Bridgeways, and Drop in Centers. Moreover, he offers his experience in data analysis, management, and reporting, for all informatics projects in collaboration with HSRC.
Within HSRC, Kyle actively contributes to various initiatives, including the Justice, Equity, Diversity, and Inclusion, as well as the Policies and Procedures Working Groups.
Contact:
kchoi@health.ucsd.edu
858-622-1771
Team
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Freddy Arriola
Program Evaluation Specialist
I am a data-driven professional who values the power of storytelling through data, recognizing the importance of uplifting voices that are often overlooked in traditional analyses. My work involves supporting key initiatives like ClubHOMS, the Drug-Medical Program Databook, Performance Improvement Projects, the SUD Special Populations Report, and the CSS Program-Level Databook, ensuring that our evaluations are both comprehensive and community-focused. Outside of work, I enjoy running, spending time with my family, and exploring new food spots. This balance of work and play fuels my passion for continuous learning and connection.Contact:
a2arriola@health.ucsd.edu -
Trinell Brashear
Information Systems Analyst
Trinell brings over two decades of experience supporting a wide variety of complex local, county and US government computer networks, systems and applications. Responsibilities consist of supporting and maintaining a variety of data collection and reporting web applications, including: San Diego County Clubhouses (ClubHOMS), Blood Pressure Self-Management Study (BPSM), Trial of Pirfenidone to Prevent Progression in Chronic Kidney Disease (TOP-CKD), Mental Health Outcomes Management System (mHOMS), and VA SWIFT Sleep Study and ONEDER projects.Contact:
tbrashear@health.ucsd.edu -
Danielle Casteel, MA (she, her(s))
Project Manager | Evaluation Research Associate
Danielle earned her Master’s degree in Psychology with an emphasis on physical and mental health research from San Diego State University. As an evaluation research associate at HSRC, she has managed and assisted with several clinical trials, including Dr. Groessl’s studies on the benefits of yoga for chronic pain and Dr. Tally’s sports medicine trials. Additionally, she is part of the evaluation team for the Los Angeles County Department of Mental Health Innovation 2 Program - Building Trauma Resilient Communities. Lastly, she is a member of the California Health Benefits Review Board (CHBRP) Task Force and is responsible for leading medical effectiveness reviews of proposed California health legislature.Contact:
dlcasteel@health.ucsd.edu -
Kim Center, MA
Program Evaluation Manager
Kim Center has an MA in Psychology with an emphasis in Mental Health Research from San Diego State University. Ms. Center is project lead on HSRC’s evaluation the Los Angeles County Department of Mental Health (LACDMH)’s Innovation 2 (INN2) project with Todd Gilmer, PI. She assists in the development of evaluation plans and measure selection, and conducts training sessions, facilitates quarterly collaborative learning sessions with providers and county staff, and serves as a liaison with community groups. She also led HSRC’s recent evaluation of the Inland Empire Health Plan (IEHP) Behavioral Health Integration Complex Care Management Initiative (BHICCI), which was a practice transformation initiative focused on developing integrated complex care teams that provide care coordination for individuals with complex physical and behavioral health needs. She has also worked on the ongoing evaluation and reporting of outcomes for San Diego County’s Behavioral Health Services (BHS) Full Service Partnership (FSP) programs. Ms. Center participated in the Los Angeles County Mental Health Services Innovations Project, which evaluated several models of care designed to integrate physical and behavioral health services for homeless and underserved population. Her expertise is in evaluation design, analysis, data visualization and reporting.Contact:
kcenter@health.ucsd.edu -
Marlin Hart
Survey Researcher Assistant
At HSRC, Marlin works primarily with the Prevention and Early Intervention Evaluation team, as well as the Community Services. Marlin supports the PEI and CSS teams where he assists with quality assurance for County level and State level reporting as well as creating protocol manuals, trainings, testing, developing and development for the Mental Health Outcomes Management System (mHOMS).Contact:
mhart@health.ucsd.edu -
Richard Heller, MA
Community Education Specialist
Rick Heller holds a Masters degree in anthropology. His research interests in the field include ethnomusicology and transcultural psychiatry. He was a pioneer, working as a peer counselor in a psychiatric day treatment facility, long before peer counseling was common. He also served on the San Diego County Mental Health Board. He has worked as a freelance writer, penning articles about mental health, as well as music. In addition, he has done research for documentary films.
At HSRC he does various tasks as assigned for the County Mental Health contract, including attending the state mandated Quality Review Council, the Cultural Competency Resource Team and the Behavioral Health Advisory Board meetings. Work for the contract with the Suicide Prevention Council is included in his duties. He identifies relevant articles for people working on opioid abuse, suicide prevention, as well as current trends in treatment. He has worked at HSRC since 2007.Contact:
rheller@health.ucsd.edu -
Merissa Kado-Walton, MA
Program Evaluation Specialist
Merissa earned her Master’s degree in Psychology with a focus on physical and mental health research from San Diego State University. As a program evaluation specialist at HSRC, she supports the Southern California Evaluation of the Early Psychosis Learning Healthcare Network, a collaboration with UC Davis and UC San Francisco. She also assists with the annual distribution and processing of the DMC-ODS Treatment Perception Surveys (TPS) in San Diego County and clinical trials with Stage 2 Innovations.
Contact:
mnkado@health.ucsd.edu -
Samantha Melero, MS
Programmer/Analyst
Samantha has a master’s degree in information systems and technology with a concentration in data science. She has extensive experience working on innovation teams for the government and financial industries primarily focusing on big data analytics, data engineering, and machine learning. Currently at UCSD she has been involved in a number of projects combining both programming and analytic support. Projects Samantha is working on include, but are not limited to:
- Mental Health Outcomes Management System (mHOMS)
- Screening to Care (S2C)
- San Diego County Clubhouses (ClubHOMS)
- Children, Youth and Families (CYF)
Contact:
smelero@health.ucsd.edu -
Mark Metzger, BS
Programmar/Analyst
Contact:
mcmetzger@health.ucsd.edu -
Sarah Moreno
Survey Worker
Sarah earned her Bachelor of Arts degree in Psychology from California State Polytechnic University, Humboldt (formerly Humboldt State University) in 2020. Sarah is a survey worker at HSRC, where she assists in Data De-Identification and quality assurance for various county reports. She also provides support for multiple international tuberculosis studies that are examining drug resistant TB by entering and cleaning data and creating visual aids to more easily share findings. Sarah is proud to be part of HSRC and is excited to continue learning the ins and outs of research.Contact:
s4moreno@health.ucsd.edu -
Calvin Navarro, MS, BSBA
Information Systems Analyst
Calvin Navarro received his Master’s Degree in .NET Programming from SETFOCUS University and his Bachelor’s Degree in Business Administration and Management Information Systems from AMA University, Quezon City, Philippines. He also holds several Microsoft certifications (.NET Framework, C#, SQL server with T-SQL, Distributed Programming, and Security) which he acquired from attending SETFOCUS.
Calvin has several years of programming experience developing applications in several languages including MVC standard framework and new .NET CORE framework 5 and up. At HSRC, he serves as a senior level programmer who develops, implements, and maintains Health Outcomes Management Systems, and works with SQL for database related needs. Other projects include mHOMS, iHOMS, TOP-CKD, SafeCare, Faculty Voting, and RELINK.Contact:
c1navarro@health.ucsd.edu -
Amy Pancakiewicz, MA
Senior Evaluation Research Associate
Amy earned her Master's degree in Psychology with an emphasis on behavioral and cognitive neuroscience from San Diego State University. As a senior evaluation research associate at HSRC, her work focuses on managing reporting efforts for the San Diego County Behavioral Health Services Drug Medi‑Cal Organized Delivery System (DMC-ODS). She also manages the neuropsychological data collection at UCSD as a part of two multi-site studies focusing on the validation of saliva biomarkers for Neuro-Cognitive Disorder due to traumatic brain injuries (NCDT). Her past work at HSRC includes management of the reporting efforts for the San Diego County Adult and Older Adult (AOA) Behavioral Health System, assistance with the evaluation of the Behavioral Health Integration and Complex Care Initiative (BHICCI) in the Inland Empire, and development of automated reports for the Mental Health Outcomes Management System (mHOMS) data system.
Contact:
apanczakiewicz@health.ucsd.edu -
Nick Panagon, MPH
Community Education Specialist 2
Contact:
npanagon@health.ucsd.edu -
Frances Reyes Yee, MA
Senior Evaluation Research Associate
Frances earned her Master's degree in Psychology with a co-concentration in Applied Developmental Psychology and Evaluation from Claremont Graduate University. As an Evaluation Research Associate at HSRC, she oversees the evaluation of La Maestra Family Clinic’s SAMHSA-funded projects. She also manages the evaluation of San Diego County Clubhouses. Her previous work at HSRC includes leading the development of the California Mental Health Services Oversight and Accountability Commission (MHSOAC) Toolkit for Evaluation, Assessment, and Measurement for Adult Community Services and Supports (CSS) Programs and the Prevention and Early Intervention (PEI) Demographics, Screening and Referral Tracking Tool. Additionally, Frances contributes to the evaluation of San Diego County Prevention and Early Intervention (PEI) programs.
Contact:
fjreyes@health.ucsd.edu -
Andow Rodriguez
System Administrator
Andow Rodríguez has more than 20 years of experience in information technology. At HSRC, his job involves managing IT systems on servers and computers, as well as maintaining security on systems and networks in both physical and software areas.
Andow also collaborates with the development of HSRC Policies and Procedures. He is currently working with developers and several county projects to provide secure methods for data collection.Contact:
anr118@health.ucsd.edu -
Maliha Safdar
Survey Worker
Maliha earned her bachelor's degree in Public Health with a concentration in Medicine Sciences from the University of California, San Diego. As a survey worker at HSRC, she provides support to various projects including the County of San Diego Behavioral Health Services (SDCBHS) Community Services and Supports (CSS), Drug Medi-Cal Organized Delivery System (DMC-ODS), and the Southern California Evaluation of the Early Psychosis Learning Healthcare Network (LHCN) and EPI-CAL project, a collaboration with UC Davis and UC San Francisco. She also assists with the Data De-Identification and Los Angeles Innovations 2 projects.
Contact:
m1safdar@health.ucsd.edu -
Karina Soto, BA
Bilingual Administrative Assistant
Karina earned her BA in Political Science and Anthropological Archaeology from the University of California San Diego. In 2012, she graduated from UCSD Extension's Paralegal Studies program and went on to work in a civil litigation firm in San Diego as a Bilingual/Trial Paralegal for several years. Karina returned to UCSD as a staff member in 2017 and joined the Health Services Research Center team in June 2021 as a Bilingual Administrative Assistant.
Preferred pronouns: she/her/ella
Contact:
k6soto@health.ucsd.edu -
Christine Standish
Program Evaluation Specialist
Christine received her B.S. in Behavioral Science with a concentration in Anthropology and a minor in Gender Studies from Utah Valley University (UVU). Prior to HSRC, she worked at UVU in Institutional Research.
At HSRC, Christine is a Program Evaluation Specialist. She primarily supports the County of San Diego Behavioral Health Services (SDCBHS) Community Services and Supports (CSS) programs, including Drug Medi-Cal Organized Delivery System (DMC-ODS) for the County of San Diego. Additionally, Christine also supports the Los Angeles Innovations 2 (LA INN2) project and helps produce the Special Populations Report and Mental Health Outcomes Management System (mHOMS) data system reports.
Contact:
cstandish@health.ucsd.edu -
Katie Wan (Rule), MPH, MSW
Program Evaluation Specialist
Katie holds a Master’s degree in Public Health with an emphasis on Healthcare Management and Policy, along with a Master’s degree in Social Work with an emphasis on Administration from San Diego State University. After graduate school, Katie was a Management Fellow for the County of San Diego, focusing most of her work within the Behavioral Health Services Department developing the Drug Medical Organized Delivery System (DMC-ODS) proposal to the State in response to the 1115 Waiver.
Through past work experience, Katie has compiled, analyzed, developed, and clearly conveyed complex information and data through reports or ad-hoc assignments for internal leadership, stakeholders, and/or contract funders. Within Health Services Research Center, Katie is the project lead for the County of San Diego Behavioral Health Services (SDCBHS) Community Services and Supports (CSS) program contract. As CSS project lead, Katie oversees the development and delivery of multiple quarterly reports, numerous annual reports, and ad hoc reports to SDCBHS. The CSS project also assists SDCBHS meet State Requirements with leading the California state-wide Mental Health Statistics Improvement Program (MHSIP) annual survey that is administered to the CSS programs, along with state-mandated performance improvement projects (PIPs), which are designed to address systemwide issues using data and applied research. Lastly, Katie helped support the development of the Community Experience Partnership (CEP), a new initiative to develop a process to identify and address unmet behavioral health needs, and the systemic and regional inequities that lead to these unmet needs.
Katie also supports the Prevention and Early Intervention (PEI) project for SDCBHS, with a main portion being the project manager for a PEI program called Next Steps, where she is responsible for training the staff on data collection and data entry, along with developing the biannual and annual report for the program.
Contact:
klrule@health.ucsd.edu -
Zhun Xu, PhD
Programmer/Analyst
Zhun holds a Master’s of Science Degree in Statistics and Biostatistics from California State University, East Bay and a doctorate in Cell and Molecular Biology from the University of Texas at Austin. She has expertise in predictive modeling, strategy analysis, statistical analysis planning, regression, categorical analysis, survival, stochastic, simulation, and time series analysis. Her current work focusses on retrieval and merging of data from multiple databases such as CCBH, DCR, HOMS and SanWITS database to generate system wide and/or ad hoc report for San Diego County Behavioral Health Services. She also plays a role in data management and statistical analysis for the following projects:
- Community Services and Supports (CSS)
- Prevention and Early Intervention (PEI)
- Drug Medi-Cal (DMC)
- Children, Youth and Families (CYF)
- SD Innovations (INN) projects
Contact:
z2xu@health.ucsd.edu