PHOENIX — Feb. 21, 2014 — The Mayo Clinic Board of Trustees welcomed Samuel A. Di Piazza, Jr. as the new board chair and George Halvorson as a new member, recognized five retiring public members and three internal members who completed their tenure, and elected four new internal trustees.
Di Piazza replaces Marilyn Carlson Nelson, who is retiring from the board. Di Piazza recently announced that he was leaving Citi as vice chairman and a member of the Senior Client Executive Group to serve as Mayo Clinic’s Board of Trustees chair. Di Piazza joined the Mayo board in 2010. He joined Citi in May 2011 after a long career at PricewaterhouseCoopers as a partner and, ultimately, CEO from 2002 through 2009.