Primary Job Title Board of Directors Primary Organization Lexicon Pharmaceuticals
Gender Male
Samuel L. Barker, Ph.D. has been a director since March 2000 and served as chairman of our board of directors from March 2005 to February 2012.
Dr. Barker served in a series of leadership positions at Bristol-Myers Squibb Company until his retirement in 1999.
His positions at Bristol-Myers Squibb included service as executive vice
president, Worldwide Franchise Management and Strategy during 1998; president, United States Pharmaceuticals from 1992 to 1997; and president, Bristol-Myers Squibb Intercontinental Commercial Operations from 1990 to 1992.
Prior to 1990, Dr. Barker held executive positions in research and development, manufacturing, finance, business development and sales and marketing at Squibb Pharmaceuticals.
Dr. Barker received his B.S. from Henderson State College, his M.S. from the University of Arkansas and his Ph.D. from Purdue University.


