Mariann MacDonald
September 2007

Mariann T. MacDonald co-founded Endo Pharmaceuticals Inc., a fully integrated independent pharmaceutical company based in Chadds Ford, Pennsylvania .with former co-worker Carol Ammon in 1997 following a management buy-out from DuPont Merck. Under their leadership, Endo has become a leader in the growing field of pain management. Revenues grew four-fold from $108 million in 1998 to $400 million in 2002 and to $600 million in 2003 when MacDonald retired. Today revenues are close to $1 billion and the company has a market value of over $4 billion.

MacDonald retired on December 31, 2003 as Founder / Executive Vice President, Operations, of Endo Pharmaceuticals Inc. MacDonald and her husband Bob moved to Naples, Fl in 2005 and has one child Megan who recently married and also resides in Naples, FL.

Prior to co-founding Endo Pharmaceuticals Inc. in 1997, MacDonald served in positions of increasing responsibility for DuPont Pharmaceuticals for 29 years. She joined DuPont Pharmaceuticals in 1968 as an Assistant Scientist in Toxicology & Pharmacology. While at DuPont Pharmaceuticals MacDonald held many positions ranging from Director of Operations, Purchasing and Finance to Director of Worldwide Distribution to Senior Director of Integrated Business Systems.

In 1995, MacDonald served as Vice President of Operations for Endo Laboratories, L.L.C., the generic business unit of DuPont Merck at that time. In 1996, she was named Vice President of Business Information, Training, Administration and Technology for the U. S. Pharmaceuticals Division of DuPont Merck. As Vice President, MacDonald was responsible for all field sales administration, sales information, training, technology and administration for the U.S. division. Her duties entailed managing a budget of more than $10 million and a staff of 40 professionals.

Throughout her career, MacDonald has received a number of corporate awards. In both 1991 and 1994, she received the DuPont Merck Executive Vice President’s Award, and in 1994 she was a recipient of the Business Excellence Award. In 1995, MacDonald received the Summit Award, the highest level of achievement at DuPont Merck. Along with Endo co-founder
Carol A. Ammon, she received the Greater Philadelphia Ernst & Young Entrepreneur of The Year Award in the Health Sciences category in 2003. Macdonald served as a board member of the Susan G Komen Breast Cancer Foundation in Philadelphia from 2003 -2005 and now serves as Vice President of the Southwest Florida Affiliate Board of Directors of the Susan G Komen for the Cure.