Re­gen­eron chair­man Roy Vage­los will re­tire, and Len Schleifer and George Yan­copou­los will co-lead the board

Roy Vage­los, the for­mer Mer­ck CEO who has chaired Re­gen­eron’s board for al­most three decades, will re­tire. Leonard Schleifer and George Yan­copou­los, the com­pa­ny’s founders and top ex­ec­u­tives, will be­come co-chair­men.

Vage­los, 93, has chaired Re­gen­eron’s board since 1995, the year af­ter he left the CEO and chair­man role at Mer­ck, which he led for a decade. At the time, the biotech­nol­o­gy in­dus­try was still in its rel­a­tive in­fan­cy — the first mon­o­clon­al an­ti­body ap­proved for use was less than a decade old.

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