HealthSpring, Inc. announced that Sharad Mansukani, MD, is now vice chairman for strategic planning of the board and has ceased to be an executive officer and part-time employee. Mansukani has served on the HealthSpring board since June 2007 and, since November 2008, has served as the company's executive vice president–CSO. HealthSpring also announced that Mark A. Tulloch, executive vice president-enterprise operations, has been named COO, a title held by HealthSpring President Michael G. Mirt.