Xcellerex, Inc. Appoints David J. Williams, Retired Chairman/CEO of Sanofi Pasteur, to its Board of Directors

MARLBOROUGH, Mass.--(BUSINESS WIRE)--Xcellerex, Inc. today announced that it has named David J. Williams, retired Chairman and CEO of Sanofi Pasteur, S.A., the vaccines business of sanofi-aventis Group, to its board of directors.