Joe Diaz, MD, MPH; Tracey Guthrie, MD; Zoila Quezada, MEd; Natasha Rosa, BA; Radhika Rajan, MD '20; (not pictured) Mercedes Domenech, MD, PhD and Patricia Poitevien, MD, MSc.

Joseph Diaz, MD, MPH

Associate Dean for Diversity and Multicultural Affairs.

Dr. Diaz is a primary care provider at Memorial Hospital of RI, a Care New England hospital.  A graduate of Brown Medical School, Dr. Diaz completed a residency and fellowship in General Internal Medicine at Rhode Island Hospital before joining the Department of Medicine and the Center for Primary Care and Prevention at Memorial Hospital of RI in 2001. Since joining the faculty, Dr. Diaz has been actively involved in medical education, served as a site director for the core clerkship in medicine, and was a lead faculty member in the Alpert Medical School Academy system. He is currently a co-director of the Scholarly Concentration in Care of the Underserved. 

Dr. Diaz’s clinical work and research focus on the delivery of health care to underserved populations. His research has centered on assessing and addressing disparities in preventive health with a focus on the role of language and culture as a barrier to colorectal cancer screening.

Dr. Diaz oversees the Office of Diversity and Multicultural Affairs, which helps to create and foster a diverse, inclusive, and culturally competent learning and training environment for students, faculty, and trainees within the Division.

Tracey Guthrie, MD

Assistant Dean for Diversity. 

Dr. Guthrie is the Program Director of the Psychiatry Residency Program at Brown. She graduated from the University of Rochester School of Medicine and Dentistry. She continued her training at the Brown Psychiatry Residency Training Program where she was Chief Resident. Dr. Guthrie has been involved with medical student education at Brown since 2002 and psychiatry residency training since 2005.  She has served in many leadership roles within the Medical School including Clerkship Site Director and Associate Clerkship Director in Psychiatry for Brown medical students; Assistant and Associate Residency Program Director in the Department of Psychiatry and Human Behavior. 

Dr. Guthrie's clinical work has focused on the acute treatment of patients with severe mental illness. In her role with the Office of Diversity and Multicultural Affairs, her desire is to help Brown continue to grow as an inclusive environment and to provide mentorship for students, trainees and faculty.      

Zoila Quezada, M.Ed.

Assistant Director

Zoila is in her eleventh year as assistant director in the Office of Diversity and Multicultural Affairs.  She manages daily operations, interfaces directly with students, faculty and trainees, and represents the office and its interests at the local, regional and national levels.  She has been a leader in the growing program and support offerings in the ODMA. Zoila, who grew up in New Jersey, received her B.A in Public Communications and a minor in Spanish from Ramapo College of New Jersey, and her M.Ed in Educational Leadership from Salem State University and is currently working on a Doctorate of Education.

Natasha Rosa, BA

Administrative Coordinator

Before coming to Warren Alpert Medical School, she was a project coordinator for the Nurse Family Partnership at Children’s Friend in Pawtucket, RI. Natasha is a native New Yorker. She went to Trinity College in Hartford, Connecticut where she received a BA in Educational Studies and a minor in Hispanic Studies. In addition to her work with the ODMA, Natasha is pursuing a Master’s degree in Public Administration from Roger Williams University.

Radhika Rajan, MD '20

Diversity Fellow

Radhika is originally from Queens, NY and grew up in sunny Florida. She came to AMS by way of the PLME program at Brown, where she concentrated in Anthropology and worked closely with the Sarah Doyle Women’s Center and the Brown Center for Students of Color.  At AMS, she is part of the Medical Humanities scholarly concentration and completed an oral history project centering on the work of birth and abortion doulas in NYC. She also led the Healthcare for the Underserved preclinical elective and helped write the original Diversity and Inclusion Action Plan for AMS. Her academic interests include narrative medicine and storytelling, reproductive justice, mental health in communities of color and LBGTQ+ health. She is not exactly sure what the future holds for her in terms of medical specialty, but is looking forward to working with underserved communities of color. Radhika is thankful for the space that the ODMA has created in her past three years at AMS and is excited to join the ODMA family and building on the wonderful work that has been thus far!

Mercedes Domenech, MD, PhD

Associate Director of Admission and Associate Dean of Medicine

In January of 1995, Mercedes Domenech MD PhD was hired as the first MD dean for the office of Minority Affairs as it was known then. Dean Domenech serves as the Associate Director of Admission and Associate Dean of Medicine concentrating mostly on the undergraduate years of the PLME.