Our Team

In 2007, Jennifer Bennet, Dr. Nancy Oriol, and Dr. Anthony Vavasis came together to raise awareness about the impact of the mobile health sector through the formation of Mobile Health Map. With contributions from experts in policy, informatics, research, and public health practice, Mobile Health Maps continues to collaborate with a wide range of federal, state, and organizational partners to continue our research.


Mollie Williams, DrPH, MPH

Mollie is Executive Director of The Family Van and Mobile Health Map and Lecturer of Global Health and Social Medicine at Harvard Medical School. Mollie uses her extensive experience in public health leadership, community engagement, organizational development, and fundraising to increase access to care in Boston through her work with The Family Van and to strengthen the mobile health care sector across the United States through Mobile Health Map. She is a prolific writer and recently co-authored the fifth edition of Health Program Planning and Evaluation. Mollie holds an MPH from the University of Michigan at Ann Arbor and a DrPH in Health Policy and Management from the University of North Carolina at Chapel Hill. You can read her thought-provoking reflections about public health by following her on LinkedIn.

Nancy Oriol, MD

Nancy E. Oriol, MD is Faculty Associate Dean for Community Engagement in Medical Education at Harvard Medical School. As co-founder of The Family Van and Mobile Health Map, she specializes in investigating the role of the mobile health care sector in the United States. Her work has demonstrated the mobile health care sector’s return on investment in terms of quality life-years saved and emergency department visits avoided. She is currently building the Family Van’s community-based research program to extend this work and demonstrate the impact of mobile health clinics on chronic disease prevention and management. Dr. Oriol also has an interest in disparities in health and access to health care in the United States, as well as training medical professionals in cultural competency and in fostering biomedical literacy in underrepresented minorities and socioeconomically disadvantaged youth.

Nancy Oriol

Mary Kathryn Fallon, CPA

Mary Kathryn, CPA, is the Assistant Director of Finance and Operations at The Family Van and Mobile Health Map, where she has worked since 2013. Mary Kathryn is passionate about health access and health equity. She has worked with mobile clinics across the country, supporting them in their COVID response and administering mini-grants to allow mobile clinics to continue service during the pandemic. She also served as the Financial Manager of HMS MEDscience for six years. Before that, she was employed by KPMG, LLC as a senior auditor, focusing on both for-profit and non-profit organizations in Healthcare and Life Sciences.

Jarvis Thanex Louis, MPH, MPPM

Thanex Louis, Program Manager of Harvard Medical School’s Mobile Health Map, earned a Master’s of Public Health and Master’s of Policy, Planning, and Management from the University of Southern Maine. Previously, he worked for Consolidated Communications overseeing environmental compliance of underground storage tanks and hazardous materials to help prevent pollution and community health risks. He also consulted for the Maine CDC on community resilience planning for extreme temperature events. Growing up, Thanex saw firsthand the detrimental impacts that lack of access to healthcare can have on communities. Inspired by this mission, he enjoys assisting mobile health clinics with calculating and measuring their impact to bridge the gap of health inequities across the country.

Thanex Louis

Rebekah Kaufman, MS

Rebekah grew up in Northern California and obtained a bachelor’s degree in Health Promotion with minors in Psychology and Dance, developing an interest in social medicine, health equity, and LGBTQ+ health. Additionally, Rebekah is a recent graduate with an MS in Global Health Sciences from the University of California, San Francisco, completing a capstone on equity in global health research collaborations. Rebekah is excited to get to know the Boston area and enjoys hiking, dancing, and going to the beach.

Michelle Jimenez

Michelle Jimenez is passionate about developing communications to educate and empower people to lead healthier lives. With a robust background in public health marketing, Michelle brings experience creating impactful campaigns on various health issues, including High Blood Pressure, Diabetes, Cancer, Women’s Health, and more. As a proud native of Mexico, Michelle excels in developing culturally sensitive and multi-lingual communications to reach diverse communities. Outside of work, Michelle cherishes family time, cooking, gardening, and exploring art exhibits!

portrait of Michelle Jimenez
portait of Kait Guild

Kait Guild

Kait is a passionate public health professional dedicated to advancing health equity and addressing systemic barriers to accessing care. Kait attended Haverford College where she studied anthropology and gender and sexuality studies. She currently serves as the Manager of Evaluation for the Mobile Health Map, working closely with the Family Van team and mobile health programs around the country to lead and support evaluation efforts. Her work as a researcher and evaluator is deeply rooted in community and influenced by her experiences as an advocate for survivors of domestic violence and sexual assault, her role as a direct service worker and educator for neurodivergent adults, and her time spent working in a medical-legal-community-partnership in FQHCs throughout Philadelphia. In her free time she enjoys cooking, exploring her city through food and restaurants, hiking with her partner and two dogs Stella and Arthur, and spending time with her cat Alvin.


Mobile Health Map would be impossible without significant contributions from policy, informatics, research, and public health practice experts. Our gratitude and thanks go out to John Brownstein, MD, Chief Innovation Officer at Children’s Hospital Boston, Isaac Kohane, MD, Ph.D. of Harvard Medical Schools Bio-information Department, and Paul Cote, Jr. for his expertise in health finance and policy.