Teodor T. Postolache is a Professor of Psychiatry at the University of Maryland School of Medicine and a VA Research Investigator with the VA Rocky Mountain MIRECC for Suicide Prevention in Denver Colorado and VISN 5 MIRECC in Baltimore, Maryland. He graduated from medical school in Romania, with postgraduate studies in Vienna, Austria, and Paris, France; residency training in psychiatry at Beth Israel Medical Center in New York; and a fellowship in psychobiology at the Section of Biological Rhythms of the National Institutes of Health, Bethesda, Maryland. He was recognized as a Top Doctor in 2017 by the Washingtonian Magazine. He received several teaching awards for postgraduate and physician education. His active research collaborations and collaborators are geographically diverse, from the Old Order Amish in Lancaster, Pennsylvania, and the University of South Florida in Tampa to South Africa, Sweden, Germany, and Denmark. His research has been supported by NIMH, NIDDK, NHLB, FDA, NARSAD, and VA. He is a Senior Investigator on the Military and Veteran Microbiome Consortium for Research and Education (Denver, CO) and a recipient of the Distinguished Investigator Award from the American Foundation for Suicide Prevention.