“Michael D. Staffieri became Chief Operating Officer of Kidney Care in February 2014. From July 2011 to February 2014, he served as Senior Vice President of Kidney Care. From March 2008 to July 2011, he was our vice president for new center operations and development. Mr. Staffieri joined the company in July 2000 and has held numerous other roles. Prior to joining us, Mr. Staffieri worked for Arthur Andersen LLP in the financial industry from 1999 to 2000. “(Board of Directors and Management)4. “Dennis L. Kogod became Chief Operating Officer of HealthCare Partners in March 2014. From January 2009 to March 2014, he served as Chief Operating Officer and, prior to that, served as President of the West Region beginning in October 2005. Since January 2004 Until joining us, Mr. Kogod served as President and Chief Operating Officer West of Gambro Healthcare, Inc." (Board and Management)5. “Dr. Garry E. Menzel became Chief Financial Officer in November 2013 and was our senior vice president, finance from September 2013 to November 2013. From December 2010 to June 2013, Dr. Menzel served as chief operating officer of Regulus Therapeutics Inc., a biopharmaceutical company