Office of the Clinical Director

Robert A. Colbert, M.D., Ph.D.
Senior Investigator
Clinical Director
301-443-8935
Susan Bozak
Staff Assistant
301-451-4362
Michael Davis, MSN, CRNP
Nurse Practitioner
301-496-4644
Shaila Farooque
Protocol Manager
301-451-1221
Marcela Ferrada, M.D.
Staff Clinician
301-443-5522
Wendy Goodspeed, R.N.
Research Nurse Specialist
301-451-6761
Sarthak Gupta, M.D.
Assistant Research Physician
301-443-8541
Sarfaraz Hasni, M.D.
Staff Clinician
301-451-1599
Eileen Lange
Research Nurse Specialist
301-496-0862
Laura B. Lewandowski, M.S., M.D.
Assistant Clinical Investigator
301-451-9595
Zerai Manna, M.Sc.
Clinical Data Analyst
301-827-0546
Michelle P. O'Brien
Research Nurse Specialist
301-496-2237
Isabel Ochoa-Navas
Patient Care Coordinator
301-451-4650
Elaine Poncio, BSN, RN
Clinical Research Nurse Specialist
301-435-4489
Nancy A. Spencer, RN
Research Nurse Specialist
301-827-0186
Sovira Tan, Ph.D.
Researcher
301-451-4375
Yenealem Temesgen-Oyelakin, BSN, RN
Clinical Research Nurse Specialist
301-451-4990
Maureen Wilburn
Patient Care Coordinator
301-496-0764
Last Updated: August 2019