NEEDHAM, Mass.--(BUSINESS WIRE)--Celldex Therapeutics, Inc. (Nasdaq: CLDX) today announced the appointment of Ronald A. Pepin, Ph.D. to Senior Vice President and Chief Business Officer, effective immediately. Dr. Pepin brings to Celldex more than 20 years of business development and senior leadership experience in the biotechnology and pharmaceutical industries. “We are very excited to have Ron join us at Celldex,” said Anthony S. Marucci, Celldex’s President and CEO. “Our management team worked closely with Ron while we were together at Medarex and we saw first-hand his business development expertise as evidenced by a series of successful global drug development and commercialization agreements. His experience will be extremely valuable to Celldex as we continue advancing our portfolio of mid- and late-stage oncology products.”