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Steve Mackin

Leadership Team

Stephen Mackin President of Mercy Hospital St. Louis Stephen Mackin - Executive Vice President, Mercy; President, Mercy St. Louis Community

Incoming President and CEO

Steve Mackin was annouced as the incoming Mercy president and CEO, effective April 1, 2022. He joined Mercy in March 2017 and has served as Mercy executive vice president, president of Mercy's east region, president of Mercy Hospital St. Louis and senior executive for business line development with an initial focus on cancer services in Mercy’s east region. Prior to joining Mercy, Mackin spent nearly 19 years with Cancer Treatment Centers of America, a national network of five hospitals that serves adult cancer patients. During his tenure, he progressed from a management fellow to executive positions including chief operating officer and interim president of the organization.

Education & Credentials

Mackin holds a bachelor’s degree from Wabash College in Crawfordsville, Indiana, and a master’s degree in business administration from the University of Tulsa in Tulsa, Oklahoma. He is married and the father of four daughters.