WHITEHOUSE STATION, N.J.--(BUSINESS WIRE)--Merck & Co., Inc. today announced that Leslie A. “Les” Brun, 55, chairman and chief executive officer of SARR Group, LLC, a diversified investment holding company, will join the Company’s board of directors effective July 22. With his election, Mr. Brun will become one of 13 independent directors on the board. The addition expands the Merck board to 14 members. Mr. Brun will stand for election by the Company’s stockholders in April 2009.