KATZ AVIVA LYNN, M.D. On Wednesday, January 17, 2018. Beloved wife of Daniel Weiner; beloved mother of Gabriel, Samuel, Channah and Shoshana; sister of Adam (Dalit) Katz and Aaron (MaryAnn) Katz. Aviva was an Associate Professor of Surgery at the University of Pittsburgh and Children's Hospital of Pittsburgh. She served as the Director of the Consortium Ethics Program (UPitt) and the Ethics Consultation Service (Children's Hospital). She was a Vice Chair of the University of Pittsburgh Institutional Review Board. She is a past Chair of the Committee on Bioethics of the American Academy of Pediatrics, and a member of the HHS Secretary's Advisory Committee on Human Research Protection. Aviva dedicated her life to the care of children, both her own and others. Services at RALPH SCHUGAR CHAPEL, INC., 5509 Centre Avenue, Shadyside, on Sunday at 10:30 a.m. No visitation prior to services. Interment Tree of Life Memorial Park. Contribution may be made to The Leukemia and Lymphoma Society, 333 East Carson Street, #441 E., Pittsburgh, PA 15219. www.schugar.com Send condolences post-gazette.com/gb