Todos Medical has appointed Paula Trzepacz chief medical officer of Breakthrough Diagnostics, which Todos is in the process of acquiring from Amarantus Bioscience Holding. She is a geriatric psychiatrist and neuropsychiatrist with expertise in the clinical development of therapeutics and diagnostics for Alzheimer's disease and other neurocognitive ailments. Trzepacz is a volunteer professor of psychiatry at Indiana University School of Medicine and an adjunct professor of psychiatry at Tufts University School of Medicine. She also was president of the Academy of Psychosomatic Medicine from 2004 to 2005 and president of the American Neuropsychiatric Association from 2009 to 2011. She is a fellow of both organizations.