Mr. Abdun-Nabi has served as President and Chief Executive Officer of Emergent BioSolutions Inc. since April 2012. Since joining Emergent in 2004, he has held several senior leadership positions including Chief Operating Officer and General Counsel. Prior to joining Emergent, Mr. Abdun-Nabi served as General Counsel for IGEN International, Inc., and as Senior Vice President – Legal Affairs, General Counsel and Secretary at North American Vaccine, Inc.

Mr. Abdun-Nabi received a Master of Laws in taxation from Georgetown University Law Center, a J.D. from the University of San Diego School of Law and a B.A. in political science from the University of Massachusetts, Amherst.