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Stephen Mackin

Leadership Team

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

President of Mercy Hospital St. Louis

Stephen Mackin was named President of Mercy Hospital St. Louis in August 2017. He joined Mercy in March 2017 as 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.