Martine A. Rothblatt

MARTINE A. ROTHBLATT started United Therapeutics Corporation in
1996 and has served as Chairman and Chief Executive Officer since
its inception. During the 1980s Dr. Rothblatt co-founded the
international satellite communications operator PanAmSat and
later launched the nationwide satellite-based vehicle tracking
industry. In the early 1990s Dr. Rothblatt created the digital
satellite radio broadcasting industry by obtaining the necessary
regulatory approvals and by starting the companies that are
currently providing this service in the US and overseas. In 1995
she endowed the PPH Cure Foundation, which subsequently merged
into the William Harvey Medical Research Foundation, a charitable
organization that she continues to serve as President.