Jack H. Kessler

JACK H. KESSLER is Chief Executive Officer, Chief Scientific Officer,
Secretary and Chairman of the Board of Directors of Symbollon
Corporation. Dr. Kessler is the Founder of the company and has served as
Chief Executive Officer since December 1999, as Chief Scientific
Officer, Secretary, and a Director since the company’s move to
Massachusetts in May 1991, and as Chairman of the Board of Directors
since May 1996. Dr. Kessler held the title of Executive Vice President
of the company from May 1991 to December 1999, and from the company’s
formation in Illinois in 1986 until 1991 Dr. Kessler was the company’s
sole stockholder and served as its sole officer and Director. Dr.
Kessler has held senior scientific positions at Hoffman-La Roche and in
the Biotechnology Group at Amoco Oil Corporation. Immediately prior to
working full-time at Symbollon, he served as Principal Systems Engineer
for Kollsman Engineer, a diagnostic instrument design and manufacturing
company.