On September 27, 2017 Core-Mark Holding Company announced that Mr. Scott McPherson will assume the role of President of the Company, effective as of October 1, 2017. Mr. Tom Perkins will pass the title of President to Mr. McPherson and continue to serve as Chief Executive Officer of the Company. Mr. McPherson, will also be appointed to the newly created position of Chief Operating Officer of the Company, effective as of October 1, 2017. Mr. McPherson has served as the company's Senior Vice President of Business Operations and Strategic Opportunities since January 2015. Prior to his current position, Mr. McPherson served as Senior Vice President- Corporate Development from December 2009 to December 2014. Also on September 27, 2017, the company announced that Mr. Christopher L. Walsh would be retiring from the Company on December 31, 2017 and that he would be stepping down as Senior Vice President of US Distribution- West of the Company, effective as of October 1, 2017. Mr. Christopher Hobson has been appointed Senior Vice President of US Distribution- West to succeed Mr. Walsh. Mr. Hobson has served as the Company's Senior Vice President of Sales and Marketing since January 2015, where he has played an integral role in the company's growing market share and executing the company's critically important Fresh and Vendor Consolidation Strategies.