Timothy J. O'Leary is the chief research and development officer for the Department of Veterans Affairs. Dr. O'Leary holds a doctorate in physical chemistry from Stanford University and a medical degree from the University of Michigan. He is certified in anatomic pathology by the American Board of Pathology, and is certified in molecular genetic pathology by the American Board of Pathology and the American Board of Medical Genetics. Following his appointment to the Department of Army Senior Executive Service, he chaired the Department of Cellular Pathology at the Armed Forces Institute of Pathology for more than 15 years prior to coming to the Department of Veterans Affairs, where he has previously served as director of the Biomedical Laboratory and Clinical Sciences Research and Development Services, and principal deputy chief research and development officer. He served as a reserve member of the Public Health Service Commissioned Corps from 1979 to 2010, serving two tours on active duty. His own research interests include ultrasensitive detection of biological toxins, genomics, and proteomics. He has served on numerous federal panels and advisory committees, including the HHS Clinical Laboratory Improvement Advisory Committee (CLIAC) and the FDA Hematology and Devices Panel. Dr. O' Leary has co-authored or authored more than 175 scientific papers, written numerous book chapters, and holds four patents. He is a past-president of the Association for Molecular Pathology, and serves as editor-in-chief for the Journal of Molecular Diagnostics.