Ms. Cassai has more than 16 years of healthcare leadership experience, having worked her way up the chain of command after starting as a nurse. Under her leadership, HSS continues to progress in advancing operational excellence and patient care.
Becker's Recognition
Mary Cassai, BSN, RNhas been named a Becker's honoree on the lists below.
2024 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.
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.
