SSM Health Care has announced three key personnel moves. Melvin Alexander has been named corporate vice president, Finance and Treasury, effective Dec. 17. Dan Varga, MD, regional vice president-medical affairs and CMO of SSM Health Care-St. Louis, will leave the health system at the end of November and has accepted a new position with St. Joseph Health System in Lexington, KY. Philip P. Gustafson has been named president/CEO of St. Mary's Good Samaritan Inc. in Centralia, IL, and system vice president of SSM Health Care, effective Dec. 30