Paul W. Hruz is Associate Professor of Pediatrics and Associate Professor of Cellular Biology and Physiology at Washington University in St. Louis. Hruz received his Bachelor’s Degree in Chemistry from Marquette University in 1987. Hruz has contributed to the University’s course on Research Ethics for graduate students. He is a member of the University’s Differences of Sexual Development (DSD) Multidisciplinary Care Program (formerly known as Disorders of Sexual Development Multidisciplinary Care Program). Hruz is board certified in Pediatrics and Pediatric Endocrinology. He has also received certification in Healthcare Ethics from the National Catholic Bioethics Center. He has authored over 60 peer-reviewed manuscripts, scientific reviews and book chapters.