Henry E. Blair

HENRY E. BLAIR is Chairman, President and Chief Executive Officer of
Dyax Corp. Mr. Blair has served as Chairman of the Board and President
of Dyax Corp. since its merger with Protein Engineering Corporation in
August 1995; as acting Chief Executive Officer from August 1995 until
his appointment as Chief Executive Officer in April 1997, and as a
Director and officer of the company since co-founding it in 1989. Mr.
Blair is a Director of Genzyme Corporation, a company he co-founded in
1981, as well as being a co-Founder of Biocode, Inc., and GelTex
Pharmaceuticals, Inc. He was also a Director of Esperion Therapeutics,
Inc., prior to its acquisition by Pfizer Inc. in December 2003. Mr.
Blair is a trustee of the CBR Institute for medical research and a
member of the Board of Overseers at the Tufts University School of
Medicine and at the Lahey Hitchcock Clinic.