UPMC Health Plan has named Mary Beth Jenkins as its new CEO, effective Jan. 1. Jenkins will also assume the role of president of UPMC Insurance Services Division and become an executive vice president of UPMC. She replaces the current president and CEO, Diane Holder, a 40 year veteran of UPMC, who is retiring at the end of the year. Jenkins, the current COO, also has spent nearly her entire career with UPMC Health Plan.