NEW PROCYTE CHAIRMAN, MEDCO PRESIDENTProCyte Corp. of Kirkland, Wash., named Joseph Ashleychairman of the board. He replaces Loren Pickart, who resignedrecently as chairman, scientific director and company director.Ashley also continues as president and chief executive officer.... Medco Research Inc. of Los Angeles promoted Archie W.Prestayko to president, replacing Manfred Mosk, who retired inDecember. Prestayko had been executive vice president. Medcoalso named Richard C. Williams, president of the financialadvisory firm Conner-Thoele Ltd., to its board of directors.

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