Chaim Trachtman is the Director of the Division of Pediatric Nephrology, NYU Langone Medical Center and Professor of Pediatrics at NYU School of Medicine. He cares for children and adolescents with kidney disease and is the principal investigator for several NIH-funded and industry-sponsored studies of kidney diseases and hypertension. He is on the editorial board of the journal Pediatric Nephrology and is on the Medical Advisory Board of the National Kidney Foundation-NY. He has edited a book entitled Woman and Men in Communal Prayer: Halakhic Perspectives that brought together several viewpoints on the halakhic validity of partnership minyanim. He is married to Audrey Trachtman, former executive board member of JOFA, and is the father of three wonderful girls and their three husbands. So far, Chaim has five grandchildren.