Healthcare >> CEO Interviews >> July 5, 2004

STEPHEN SEILER – HYBRIDON INC (HBY)

STEPHEN R. SEILER joined Hybridon in 2001 as the company's Chief Executive Officer. Prior to joining Hybridon, Mr. Seiler was Executive Vice President, Planning Investment & Development for Elan Corporation Plc from 1995 to 2001. While at Elan, Mr. Seiler took part in and oversaw activities in a wide range of areas including acquisitions, divestitures and in/out licensing. From 1991 to 1995 Mr. Seiler worked as an Investment Banker for Paribas Capital Markets in both London and New York. He was founder of Paribas' pharmaceutical industry investment banking group. In that capacity, he initiated and worked on a wide variety of transactions including IPOs, privatizations, M&A, debt and equity offerings and derivative transactions. Mr. Seiler received a BA summa cum laude in History from the University of Notre Dame in 1977 and a JD (Honors) from Georgetown University in 1980. He is a member of the bar in New York, Arizona and Missouri. Profile
TWST: Please begin with a brief historical sketch of Hybridon and a

picture of the things you're doing at the present time.

Mr. Seiler: Hybridon was started as a company focused on the