Avram Mack, the psychiatrist who testified as a prosecution expert witness in Lindsay Clancy’s murder trial, is no longer employed by Nemours Children’s Health, the Delaware-based health system confirmed Friday, Aug. 28, as per reports . Dr. The development came days after Mack’s testimony became a point of sharp questioning during the closely watched trial in Massachusetts .
Dr. Avram H. Mack is a psychiatrist whose career has spanned adult psychiatry, child and adolescent psychiatry, forensic psychiatry, addiction psychiatry and consultation-liaison psychiatry. He has also held senior academic and hospital leadership positions in Washington and Philadelphia. He subsequently earned his medical degree from Weill Cornell Medical College and completed psychiatric training that included programs at Harvard, Columbia and New York University, followed by a year at the Medical University of South Carolina. Mack later moved to Children’s Hospital of Philadelphia (CHOP) and the University of Pennsylvania. A professional biography describes him as a practicing psychiatrist with interests in forensic, child, adult and consultation-liaison psychiatry, as well as substance-use disorders. At CHOP, he served as Associate Chair for Quality and Safety and worked on patient-safety initiatives in behavioral health. His work has also included an academic component. He has been identified as a Professor of Clinical Psychiatry at the University of Pennsylvania’s Perelman School of Medicine, while professional biographies describe his work in teaching undergraduate and graduate medical trainees. Mack’s professional background is not limited to clinical psychiatry. His published work and professional biographies show a particular interest in patient safety, quality improvement and behavioral-health systems. At CHOP, he helped develop approaches for identifying and preventing harm involving psychiatric patients and staff.
Mack graduated from the University of Michigan in 1994, where he completed an honors thesis on the history of medicine, according to the university’s profile of him.
Clancy is accused of killing her three children in the family’s Duxbury home in 2023. Her defense has focused heavily on her mental state, while prosecutors have sought to challenge the argument that she was experiencing a severe psychiatric condition that would explain the killings.
