NEEDHAM, Mass.--(BUSINESS WIRE)--Celldex Therapeutics, Inc. (NASDAQ: CLDX) today announced that Anthony S. Marucci, President and Chief Executive Officer of Celldex Therapeutics, Inc., will present at the Citi 2012 Global Health Care Conference in New York City on Tuesday, February 28, 2012 at 9:30 a.m. Eastern Time.