Dr. Keler is a Founder of Celldex and serves as the Company’s Executive Vice President and Chief Scientific Officer. Prior to this appointment in 2014, he was Senior Vice President of Research and Discovery at Celldex. Celldex, founded in 2004 as a subsidiary of Medarex (Medarex is now a wholly-owned subsidiary of Bristol Myers Squibb), was initially spun out as an independent private company in October 2005 with the asset acquisition of CDX-110 from Alteris Therapeutics, Inc. and the acquisition of Lorantis Limited (Cambridge, UK). Previously, Dr. Keler was Senior Director of Preclinical Development and Principal Scientist at Medarex from September 1993 to March 2004. While at Medarex, he was responsible for the preclinical development of a number of Medarex clinical product candidates. In addition, Dr. Keler was responsible for the development of Celldex’s core technology and related products. Dr. Keler received his Ph.D. in Microbiology from the University of Pennsylvania.