Department of Emergency Medicine
Migration and Health Research Center



MAHRC is led by co-directors Marc Schenker and Xóchitl Castañeda.



Heather Riden, MA
Program Manager

Heather Riden is the program manager for the Migration and Health Research Center (MAHRC) and the UC Global Health Institute Center of Expertise in Migration and Health (COEMH). Heather manages MAHRC’s daily operations, develops center programs, writes grant proposals, and contributes to manuscripts. Prior to joining UC Davis, Heather worked at Brigham and Women’s Hospital, Division of Women’s Health and the Connors Center for Women’s Health and Gender Biology, where she was the project manager of a study evaluating the impact of health care reform in Massachusetts on low-income women. Heather can be reached at



Emily Felt, MPP
Policy Analyst

Emily Felt is a Policy and Program Analyst at the UC Berkeley School of Public Health, supporting the Migration and Health Research Center. She has spent the past 6 years managing global health programs and research projects. She coordinates diverse groups of stakeholders for international projects in Europe, North America and Latin America in areas related to immigrant health, health policy, social determinants of health and gender and social inclusion. Emily has worked on projects with the WHO, the EU Agency for Health and Consumers, the Universitat Pompeu Fabra, the Barcelona Global Health Institute, and organizations such as Doctors Without Borders, Justicia Global, and Peace Bridges International. She holds a BA in Economics and master's degree in Public Policy. Emily can be reached at



Diane Mitchell, PhD
Staff Research Associate

As a Staff Research Associate in Epidemiology, Diane Mitchell has served as a project manager at UC Davis since 2001. She has worked on all aspects of epidemiological research projects focused on occupational health from grant proposals, study design, in-field project coordination, data base administration and data analysis / research manuscript writing. Most recently she coordinated a study of the respiratory health of Latino dairy workers in the San Joaquin valley of California.



Liliana Osorio
San Diego Regional Coordinator for HIA

Liliana Osorio is currently the Border Region Manager of the Health Initiative of the Americas (HIA), UC Berkeley School of Public Health. She received her BA in Mass Communications and Journalism at the Universidad de la Sabana in Bogota, Colombia and has several years of international experience in Public Relations, Communications and Marketing. Liliana coordinates Binational Health Week and the Summer Institute on Migration and Global Health – both events are sponsored by MAHRC.