Mark re-joined Hospital Sisters Health System in 2007 as Vice President, Clinical Integration and President of HSHS Medical Group -- Primary Care. In 2009, he accepted an invitation to serve as the President and Chief Executive Officer, HSHS Southern Illinois Division. As President and CEO of the Southern Illinois Division, Mark coordinates the overall direction and strategies for St. Anthony's Memorial Hospital, St. Joseph's Hospitals in Breese and Highland, and St. Elizabeth's Hospital in Belleville.
Prior to re-joining HSHS in 2007, Mark served as Senior Vice President and Chief Operating Officer of Presbyterian Healthcare Services in Albuquerque, New Mexico. He has also served in senior leadership positions at St. John's Mercy Medical Center in St. Louis and St. Joseph Hospital in Kirkwood, Missouri. Mark first served HSHS during the1980s in leadership positions at St. Nicholas Hospital in Sheboygan, Wisconsin, St. Joseph's Hospital in Highland, Illinois and Sacred Heart Hospital in Eau Claire, Wisconsin.
He holds a Master's degree in Health Administration from the Washington University School of Medicine in St. Louis and a bachelor's degree in philosophy from Cardinal Glennon College in St. Louis.