Andrew received his BS in Public Health from San Francisco State University as well as a BA in Music. He currently works at CSUH as a Recruitment Assistant. He plans to pursue a Master's in Public Health and continue his work towards health equity and social justice. In his free time, he enjoys live music, all things pop culture and brewing kombucha at home.
Cathleen graduated from Whitman College with a BA in Biology before joining CSUH as a Research Associate. She plans to attend medical school and continue working in public health research and towards health equity. Cathleen loves the smell of old books and often overestimates how many she can fit in her bag at once.
John graduated with an AS in business from Cape Cod Community College. John began work with SFDPH in 2004 and completed his BA in Sociology. He has a strong passion for working in the HIV-care field and creating better health outcomes for substance users. John loves film. His all-time favorite movie is ‘Mary Poppins’ and his favorite actors are Reese Witherspoon, Timothee Chalamet and Lucas Hedges.
Savanna received a Bachelor of Arts in Global Studies from the University of California, Berkeley. Before joining the CSUH team as a Research Associate on the PRIME Study, Savanna worked in harm reduction in both as a medical assistant and as a health worker coordinator. In her free time, Savanna enjoys volunteering as a birth doula, drawing and baking.
Kaleas Johnson, MA
Clinical Research Program Manager
Kaleas received a BA in Human Services and a Master's Degree in Counseling Psychology from Holy Names University. She has managed programs in substance use treatment and projects in various areas of research including the genetics of addiction, PTSD and cardiovascular disease, oncology and pediatric epilepsy. Kaleas enjoys taking scenic walks and hikes, trying new cuisine and spending time with family.
Margarita Martin, M.Sc, B.Pharm
Grants & Operations Manager
Margarita is the Grants and Operations Manager at CSUH and she supports and performs complex grant administration for multiple branches within the Population Health Division at SFDPH. She received her Master of Science from the UCM in Pharmaceutical Sciences and her certificate in Clinical Trials from the San Francisco State University. Margarita speaks English, Spanish, French and Italian and loves soccer.
Research Associate he/him/his
Matthew graduated from Harvard with a BA in Chemistry before joining CSUH as a Research Associate. He has conducted lab-based HIV and Hepatitis research and is generally interested in sexual and gender minority health. He loves to stay active, and his favorite sport to play is tennis.
Chris received an MPH in Epidemiology and Biostatistics from UC Berkeley and is a doctoral student in Epidemiology at UC Berkeley. He is interested in the use of administrative and observational data to monitor trends and evaluate programs and policies related to substance use and health issues affecting marginalized populations. Chris has eaten the same thing for lunch every weekday for years and has no plans to stop.
Reva received her BA in Global Studies from Drexel University before joining CSUH as a Research Associate. She is interested in improving cultural competency and access to care in public health. In her free time, she can be found gardening, cooking, collaging, playing soccer, or listening to music in Spanish.
Petal’s research interests include determining canine tolerability of squeak versus crinkle toys and cheese versus other treats. Her favorite toy is a round, squeaky gingerbread man who lost his nose on the first day. In her spare time, Petal likes to lick her Dad’s head.
Cynthia received a Bachelor's in Psychology and English from the University of California, Davis. She is currently a Research Associate for the opioid studies at CSUH. Previously, she worked as a Programs Associate at Community Housing Partnership, a Relief Counselor at Progress Foundation, and as a volunteer crisis counselor at Crisis Support Services of Alameda County. Cynthia's been to 18 countries and 39 states and cracks other people's knuckles when she's nervous.
Sarah received her BA from UC Berkeley in interdisciplinary studies. She has been working and volunteering in harm reduction for six years and has been a Research Associate at CSUH for three. Sarah once encountered a turtle in the desert who tried to eat her shoelace. It is the closest she has ever come to being attacked by a wild animal.
Annie graduated from Georgetown with a BS in Global Health before joining CSUH as a Research Associate. She is passionate about harm reduction and sex worker rights, and previously worked at HIPS in Washington DC and the Women's Community Clinic in San Francisco. Her favorite things are, in order: her fish (5 tanks currently), her poison dart frogs, egg salad sandwiches, and small versions of large things.
Research Data Administrator
Nimah received her Master of Public Health degree from the University of Southern California. She began working at CSUH soon after graduation. She would like to continue to work in public health and clinical research, more specifically in the biostatistics and epidemiology fields. Nimah loves to learn different languages and is fluent in Hindi and Urdu, and she is currently learning Spanish and Arabic.
Irene graduated from UC Berkeley with a BA in Molecular & Cell Biology and Public Health. She currently works as a research associate on opioids studies for CSUH, and is passionate about whole-person health, community outreach, and harm reduction. She has a newfound interest in baking, and is currently making her way through a 25 lb bag of flour.
Rebecca Martinez, FNP
Rebecca is a board-certified family nurse practitioner, who completed her Master’s of Science in Nursing at UCSF in 2014. She has made her professional home at the intersection of HIV prevention, harm reduction, and primary care, and is energized by her community on a daily basis. Rebecca lived in Spain when she was 14 with her family and blames her parents for her ongoing wanderlust.
Vanessa McMahan, PhD
Research Scientist she/her/hers
Vanessa is a Research Scientist at CSUH. She received her doctorate and Master of Science from the University of Washington in Health Services. She is dedicated to harm reduction and evaluating programs to improve well being among marginalized communities. Previously, Vanessa coordinated PrEP studies among people who use methamphetamine and has volunteered with syringe services programs since 2000.
Paul has been bouncing around the wonderful world of public health for 20 some years. He's been teaching public health, human sexuality and English at San Francisco State, City College of San Francisco and the San Mateo Community College District for the last 10 years. He's returning to his "harm reduction roots" at CSUH while he completes his associates degree in registered nursing at City College of San Francisco.
John Walker, MSN, FNP-C
Study Clinician he/him/his
John is a research clinician at CSUH. He earned his Masters of Nursing at Samuel Merritt University in 2013 and is a board-certified family nurse practitioner. His interests include working with marginalized populations to improve their outcomes regarding substance use and access to health care. He also works to reduce the stigma associated with drug use. John has a 5-year-old Miniature Pinscher, Petal, who is the apple of his eye.
Augustin graduated from Oberlin College with a BA in English. He recently completed a pre-medical post-bac in the basic sciences at Mills College, and has been volunteering as an STI medic with The Gay Men’s Health Collective through Berkeley Free Clinic. He has vague but persistent philosophical interests in desire, decision-making and the alienating forces of capitalism, and a strong faith in the principles of harm-reduction and community-health. He apologizes ahead of time for his unsolicited mediocre singing any time you say a word that reminds him of a song he likes, but he invites you to sing along with him.
Phillip is a board-certified and practicing internist, infectious disease specialist, and addiction medicine specialist. He attended or trained at Brown University, Columbia University, the University of California San Francisco, and the University of Washington.
Nicola graduated from Santa Clara University with a BS in Public Health and a BA in Spanish Studies. She currently works on the CIAO project at CSUH. In her free time, she enjoys spending time outdoors, listening to audiobooks, and drinking coffee.
Janet received her Masters of Education from Stanford University and trained at the Center for AIDS Prevention Studies at UCSF. Janet went to Guatemala on a Fulbright Scholarship and then became a fellow at the CDC outpost at the Universidad del Valle studying the TB and HIV pandemics in rural Guatemala.
Xochitl received her BA in Health and Societies and Master of Public Health from the University of Pennsylvania. Previously, she worked as a Research Coordinator for Penn’s Center for Public Health Initiatives, contributing to various projects on digital health privacy, adolescent health, and harm reduction. In her free time, Xochitl enjoys outdoor activities and Latin dancing.
Tim is a clinical psychologist who has been employed at SFDPH for the past 18 years. Tim has a BA from the University of Denver, MS in clinical psychology from SF State University, and a Ph.D. in Clinical Psychology from the Center for Psychological Studies. Tim can be found outdoors engaged in some physical activity: hiking, backpacking, camping, bicycling, kayaking, paddle-boarding, rafting, downhill and x-country skiing, snowshoeing, ice skating, sledding, etc.
A bay area local, Avery graduated from San Francisco State University with a BA in Literature. After studying psychology for years, he enrolled in an MPH program at UC Berkeley. His interests include applied data science, public health surveillance, biostatistics, and social epidemiology. Avery loves jazz music and science fiction, and he's also an expert finescale miniature painter.
Milo is a Senior Research Scientist at CSUH and an Associate Professor in the Department of Community Health Systems at the University of California San Francisco (UCSF). He obtained his Ph.D. in Epidemiology and Translational Sciences at UCSF and his MPH in Epidemiology and Biostatistics at the University of California Berkeley.
Brian is a San Francisco and Bay Area native. He received a BA from UC Berkeley, an MPH from Harvard, and a Doctor of Occupational Therapy from USC. When not he’s not at work he likes to write. Maybe someday all his writing will culminate in a book! But just maybe.