Our Leadership

The UCSF Program in Medical Education for the Urban Underserved (PRIME-US) is overseen by a committed group of clinician-educators with years of experience and expertise in delivering care in underserved communities. These faculty members have worked to improve both the health of those communities, as well as the education of future physicians who share their vision.



Alma Martinez, MD, MPH

Director of Admissions and Outreach, PRIME-US
UCSF Clinical Professor, Pediatrics

Dr. Martinez, a neonatologist, has been a member of the UCSF faculty since 1994. Dr. Martinez is responsible for connecting PRIME-US with other School of Medicine programs, pipeline programs such as the Post-Baccalaureate program, other UC schools, the University of California Office of the President, and the community at large. Dr. Martinez, who also serves as director of outreach and academic advancement for the School of Medicine, has worked for many years on ways to attract students from underrepresented communities into medicine.


Leigh Kimberg, MD

Director, PRIME-US
UCSF Associate 
Clinical Professor of Medicine

After serving as volunteer faculty at UCSF since 1994, Dr. Kimberg joined PRIME-US in 2014 as director. As the program director, Dr. Kimberg is responsible for the PRIME-US program and operations. Dr. Kimberg received her medical degree from Harvard Medical School and completed the UCSF Internal Medicine Residency Primary Care Program at SFGH (SFPC) in 1994. Dr. Kimberg practiced primary care in the Western Addition neighborhood of San Francisco at Maxine Hall Health Center, a San Francisco Department of Public Health clinic, for almost 20 years before joining PRIME.  Dr. Kimberg has championed the incorporation of intimate partner violence prevention, screening, and treatment programs into health care settings through policy and program development.


Aisha Queen-Johnson, MSW

Administrative Director, PRIME-US

Aisha Queen-Johnson comes to PRIME-US from many years leading programs within San Francisco’s non-profit social service realm.  Her work has focused on providing direct services to underserved communities including, teen parents, foster youth, and mental health programs for children and families. With her extensive knowledge of bay area social service networks and experience with community partnerships, she directs PRIME’s community engagement curriculum ensuring the students direct understanding of best practices in forming partnerships with the people they want to serve.  She was born and raised in San Francisco and is committed to improving the health of underserved communities through innovative program development and engaging in strategic community partnerships.


Elisabeth Wilson, MD, MPH

Mentorship Director, PRIME-US

UCSF Associate Clinical Professor, Family & Community Medicine 

Dr. Wilson is currently the Mentorship Director for PRIME-US, after serving as the first Program Director. She sees patients at the Family Health Center on the campus of the San Francisco General Hospital, and is also the Director of Education for the UCSF department of Family and Community Medicine.  She received her medical and public health degrees from Tufts University in Boston, completed the UCSF Family Medicine Residency Program, and participated in a three year research fellowship focused on health disparities and workforce diversity.


Monica U. Hahn, MD, MS, MPH

Director of Inquiry and Evaluation, PRIME-US

UCSF Assistant Clinical Professor, Family & Community Medicine 

Dr. Hahn is a family physician and Assistant Clinical Professor in the UCSF Department of Family and Community Medicine.  She currently specializes in providing family-centered HIV primary care to women, children, and families, with a focus on the sexual and reproductive wellness of women living with HIV.  She co-directs a family-oriented HIV primary care clinic, the Family HIV Clinic at SF General Hospital’s Family Health Center and also co-directs an HIV specialty concentration training program for UCSF Family Medicine residents.  She also sees patients at HIVE clinic, a perinatal clinic for women affected by HIV, and at UCSF Women’s Health Primary Care. Dr. Hahn completed her MPH in Maternal and Child Health with an emphasis on global health at the UC Berkeley School of Public Health.  After completing medical school at UCSF, she completed her residency in Family and Community Medicine at UCSF.  Dr. Hahn is a graduate of the very first UCSF Medical School PRIME-US class, which strengthened her passion for advocating for underserved communities and pursuing research in social determinants of health. 


Leanna Lewis, LCSW

Administrative Program Director, JMP PRIME-US

Leanna W. Lewis, LCSW is a Licensed Clinical Social Worker and comes to PRIME from UCSF Benioff Children's Hospital Oakland (CHO). She is currently Program Coordinator of the Family Information & Navigation Desk (FIND). FIND is a program at Children’s that utilizes a screening tool for social determinants of health (SDOH) to systematically identify and address SDOH through an intervention which pairs families in need with family navigators. As a mental health clinician at the Center for the Vulnerable Child (CVC) Department at CHO, Leanna spent more than 13 years providing clinical mental health services and support services to foster youth and their families. Leanna is also an experienced teacher and trainer in the areas of foster parent development, foster youth experiences, transitional aged youth, cultural humility, and culturally accountable mental health care. Since 2000 Leanna has worked with the Seneca Institute for Advance Practice providing trainings throughout the Bay Area. Leanna is a San Francisco native and received her MSW from San Jose State University.


Program Administration

Zohra Saiyed, Program Administrator

Zohra Saiyed started her career at the age of 15 as an intern in the San Francisco Mayor’s Youth Works program, an organization dedicated to empowering high school students for future careers in the city and county of San Francisco. She received her B.S. in Physiology with a minor in Chemistry from San Francisco State University. While there, she represented the science and engineering students on the student government, advocating for their needs in the face of campus-wide budget cuts. During this time, she was an Exploratorium educator for elementary school students in San Francisco’s after-school programs. After graduating college, Zohra joined the San Francisco General Hospital Communications Department, writing for the Hospital Newsletter and Annual Report. Before joining PRIME-US, Zohra worked with the Family and Community Medicine Department Administrative team, supporting the department’s mission for four years. Zohra’s dedication to outreach, education and serving the underserved is one that she holds close to her heart.