McKesson Corporation Announces New President of U.S. Pharmaceutical Business  
9/24/2012 9:43:29 AM

SAN FRANCISCO--(BUSINESS WIRE)--McKesson Corporation (NYSE: MCK) today announced that Mark Walchirk has been named president, McKesson U.S. Pharmaceutical, effective immediately. Walchirk, who was most recently chief operating officer of McKesson Specialty Health, has held numerous leadership roles at McKesson for the last 11 years, including chief operating officer of McKesson U.S. Pharmaceutical. Walchirk succeeds Brian Tyler, who was recently appointed executive vice president of corporate strategy and business development, McKesson Corporation.