Sergio Aguilar-Gaxiola, M.D., Ph.D.
Professor of Internal Medicine; Director of CRHD
Phone: (916) 703-9211

Professor of Clinical Internal Medicine, School of Medicine, University of California, Davis. He is the Founding Director of the Center for Reducing Health Disparities at the UC Davis Health System, the Director of the Community Engagement Program of the UCD Clinical Translational Science Center (CTSC), the co-Director of the UC Davis Latino Aging Research and Resource Center (LARRC), and co-chair of the NIH’s Community Engagement Key Function Committee for the NIH-funded Clinical Translational Science Awards (CTSAs). In 2007, he completed a four-year term as a member of the National Advisory Mental Health Council (NAMHC), National Institute of Mental Health (NIMH). He was the Chairman of the Board of Directors of Mental Health America (MHA) for a two year-term (2008-2010).  He is currently a Steering Committee and Research Scientist member of the National Hispanic Science Network (NHSN), a member of the Scientific Advisory Committee of Autism Speaks, a member of the International Advisory Committee of the Carlos Slim Health Institute, a member of the Board of the Latino Physicians of California, First Vice President of NAMI California, and a member of the California Medical Board’s Cultural and Linguistic Competency Program Workgroup.  He has held several World Health Organization (WHO) and Pan American Health Organization (PAHO) advisory board and consulting positions and is currently a member of the Executive Committee of the World Health Organization (WHO) World Mental Health Surveys Consortium (WMHSC) and its Coordinator for Latin America and the Caribbean. 

Efrain Talamantes, M.D. , M.B.A., MSHPM
Associate Director
Phone: 916-703-9115
Efrain TalamantesEfrain Talamantes is an assistant clinical professor in internal medicine at the University of California, Davis where he serves as the Associate Director for the Center for Reducing Health Disparities and the Associate Program Director for the internal medicine residency program and. He completed a Robert Wood Johnson Clinical Scholars Fellowship at UCLA & Veterans Affairs with a master’s in health policy and management at the Fielding School of Public Health at UCLA.

Dr. Talamantes completed his undergraduate studies at the University of California, Los Angeles in psychobiology and received his medical degree from the David Geffen School of Medicine at UCLA, and completed a master’s degree in business administration with a focus on organization and management at the Emory University Goizueta School of Business in Atlanta, Georgia. He subsequently completed his Internal Medicine Residency training at the University of California, Davis in Sacramento, California where he participated in the Transforming Education and Community Health (TEACH) program, a primary care training program for residents interested in caring for the medically underserved. As a resident he was the director of Clinica Tepati, a free clinic for uninsured patients in Sacramento, California.  
In 2014, Dr. Talamantes received the Society of General Internal Medicine Mack Lipkin Sr. Associate Member Scientific Presentation Award on “Community College Pathways: Improving the U.S. Physician Workforce.” He is the co-founder of, a national on-line mentoring community for current and aspiring health care professionals. Dr. Talamantes leads various mentoring and research initiatives throughout the country to enhance leadership and diversity in the healthcare workforce.

Hendry Ton, M.D., M.S.
Interim Associate Vice Chancellor for Diversity and Inclusion
Associate Dean for Faculty Development and Diversity
Clinical Professor of Psychiatry and Behavioral Science
Director of Education, Center for Reducing Health Disparities
Hendry Ton received his A.B. degree in Psychology and Molecular Cell Biology at the University of CA, Berkeley. He graduated from the U.C. Berkeley-San Francisco Joint Medical Program where he attained a M.S. degree in Health and Medical Science, a Division of Public Health and an M.D. Degree and completed his residency at U.C. San Francisco. Currently, Dr. Ton is a Health Sciences Associate Clinical Professor in the Department of Psychiatry and Behavioral Sciences. He is also the Director of Education at the Center for Reducing Health Disparities at UC Davis, where he has authored “Providing Quality Care with CLAS: A Curriculum Toolkit For Healthcare Leaders.” Dr. Ton is the co-founder and Medical Director of the Transcultural Wellness Center, an Asian and Pacific Islander focused community mental health clinic. He has received the UC Davis Chancellor’s Achievement Award for Diversity and Community in 2005 and the 2007 Dean’s Award for Excellence in Community Engagement for his work with communities, ethnic minorities, and cultural competence. Dr. Ton is also the Director of Medical Student Education in Psychiatry and he leads the UC Davis medical school curriculum on cultural competence. This effort helped the Department of Psychiatry receive the prestigious American College of Psychiatrist’s Award for Creativity in Psychiatric Education for its work on cultural competence in resident and medical student education. Dr. Ton has also received teaching awards for his work with medical students, residents, and faculty.

Andrea Nunez, Operations Manager
Office: 916-703-9115

Andrea joined the Center in 2017. She currently serves as the Center’s Operations Manager providing leadership for the center, fiscal management, compliance, contract and grant administration and managing the center daily operations. Andrea has over 10 years of UC Davis experience. She has previously worked in clinical trials and research management. She received her BS in Neurobiology, Physiology & Behavior from UC Davis. She is bilingual in Spanish.

Raquel Shintaku, Administrative Assistant III
Office: 916-703-9211

Raquel is the Administrative Assistant to the Director at UC Davis, Center for Reducing Health Disparities. Raquel provides technical and logistical support for multiple projects, meetings, conferences, workshops, travel and department websites. She is also bilingual in Spanish.

Kaytie Speziale, CRDP Project Manager
Office: 916-703-9202

Kaytie is a project manager for the California Reducing Disparities Project (CRDP) for the Center for Reducing Health Disparities at UC Davis Health. Kaytie oversees technical assistance and training for a group of 7 Latino-serving community based organizations implementing innovative community defined evidence practices in mental health prevention and early intervention.  In addition, she provides coordination support for the Culturally and Linguistically Appropriate Services (CLAS) training series: a leadership training providing education and coaching on the development of culturally appropriate policies and practices in health care delivery systems.
A family therapist by training, Kaytie has a Master’s in Counseling from Sacramento State and provided community-based counseling for children and families in the Sacramento community.  From 2013-2016, Kaytie coordinated the launch of San Francisco Department of Public Health’s, Trauma Informed Systems initiative: a system-wide, organizational change project that includes the training of all 9,000 staff on the foundations of principle-driven health care delivery for traumatized populations.

Mauricio Tomas Rodriguez, Sr. Community Health Program Representative
Office: 916-703-9172

Mauricio's strong public health background includes academic and work experience. During his studies at Drexel School of Public Health and California State University, Fresno, he mastered advanced courses in health behavior, health education, biostatistics, epidemiology, and research methodology. He was actively involved with the data collection phase of several projects at California State University, Fresno, Harvard, and UC Davis. These projects included working with diverse socioeconomic and cultural populations concerning obesity, diabetes, breast cancer, depression, heart failure, smoking cessation, and mental health. He’s worked in multidisciplinary teams and collaborated with project stakeholders, such as schools, community clinics, academic institutions, and community based organizations.
He is strongly interested in improving the overall health for the community through research collaboration and outreach, particularly for underserved populations.

Fatima T. Malik, Community Engagement and Research Specialist
Phone: 916-703-9138

Fatima, is a public health professional and health educator with over ten years of experience. She organizes community-engaged research opportunities and training activities and coordinates the Research and Education Community Advisory Board (RECAB). She is committed to promoting equity and justice through a new way of engaging with communities to facilitate collaborations that lead to transformative changes, sustained inclusivity, and reengineer the sharing of power in meaningful ways that treat community leaders and residents as equal partners from the start of all efforts to create healthy communities.
Her leadership skills include group facilitation, health education, and program evaluation. She appreciates working with diverse communities and fostering multiculturalism. She is a motivational and emerging leader vested in empowering limited-income populations, disadvantaged communities, and communities of color to foster positivity, health, and well-being. She loves to share her knowledge of health and wellness with diverse populations and has a genuine interest in helping others reach their full potential through meaningful and valuable experiences, fostering a sense of community and relationships. Her life’s work includes urban agriculture education, edible landscaping, and organizing community gardens. Fatima currently serves as the City of Sacramento Parks and Recreation Commissioner for District 2, volunteers with Green Technical Education and Employment, and serves on the Center for Land Based Learning board.
Fatima received her B.S. from UC Davis in International Agricultural Development (2008) and Master of Public Health from San Jose State University (2016).