Medimmune Gerald McMahon was selected as CEO ...at Kolltan http://www.bizjournals.com/boston/blog/mass-high-tech/2012/04/kolltan-taps-medimmunes-gerald-mcmahon-as-ceo.html Kolltan and PS Targeting http://investorshub.advfn.com/boards/read_msg.aspx?message_id=117278813 KTN0158 (about 9 down from the top...) http://clincancerres.aacrjournals.org/content/early/recent