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Mr. Keller became a Director of Martek following his retirement as Senior Vice President of Sales and Marketing at the end of fiscal year 2005. Mr. Keller served as Martek�s Senior Vice President of Sales and Marketing from September 1997 to October 2005. Prior to joining Martek, Mr. Keller had been consulting after spending a 25-year career at Merck, most recently as Vice President of Sales from 1986 to 1993. In this position, he was responsible for all U.S. sales operations, including the direction of a support staff of 4,500 personnel and a sales volume of $4.2 billion. Some of the products introduced under Mr. Keller included Pepcid, Mefoxin, Primaxin, Vasotec, Mevocor, Zocor, Proscor and Prilosec. Mr. Keller has a M.S. degree from the University of Pittsburgh and a B.S. degree from Duquesne University. | 