Maureen “Mo” Leffler, D.O., MPH, has been appointed chief wellbeing officer of ChristianaCare, effective Nov. 25. In her role, Leffler leads the ChristianaCare Center for WorkLife Wellbeing and strategies to enhance the professional fulfillment and well-being of ChristianaCare’s nearly 14,000 caregivers, overseeing advocacy programs and initiatives to optimize their experience and foster a culture of…