Mr. Nussbaum serves as COO of Allegheny General Hospital, where he is responsible for financial and operational performance across a workforce that includes more than 1,000 physicians and 3,500 clinical and support staff. He joined Allegheny Health Network in 2016, first as COO of Forbes Hospital in Monroeville, Pa. and later as senior vice president of the system’s physician organization, one of the largest in Pennsylvania. Prior to joining the network, Mr. Nussbaum held a variety of financial and operational leadership roles at Cleveland Clinic, including serving as COO of Marymount Hospital in Garfield Heights, Ohio. He advances operational excellence, strengthens physician engagement and improves hospital performance across multiple facilities. In addition to his executive responsibilities, he serves on the boards of Holy Family Nazareth Prep and the Northside Leadership Conference.
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Becker's Recognition
Mark Nussbaumhas been named a Becker's honoree on the lists below.
2025 Winner

Executives
Academic Medical Center COOs to Know
Academic medical centers are a crucial part of the healthcare delivery system. AMC COOs are committed to streamlining operations to offer excellent patient care using research and innovation.
The COOs heading academic medical centers and health systems across the nation are tasked with leading operations, expanding service lines, allocating resources and more.
COO
