Joseph C. Mello became our chief operating officer, DaVita Medical Group, in January 2015. From April 2012 to April 2014, Mr. Mello served on the Board of CapitalSource Inc., a commercial lender, Mr. Mello previously served as our chief operating officer — emeritus from January 2009 to December 2012, and chief operating officer from June 2000 to December 2008. From April 1998 to June 2000, Mr. Mello served as president and chief executive officer of Vivra Asthma & Allergy. From August 1994 to April 1998, Mr. Mello held various positions with MedPartners, Inc., including senior vice president/chief operating officer southeastern region from March 1997 to April 1998. Prior to joining MedPartners, from 1984 to 1994, Mr. Mello was associated with KPMG LLP, where he became a partner in 1989.