Evonik's Hanko Appointed CEO of Siegfried, CFO to Depart

Siegfried Holding (Zofingen, Switzerland), a mid-size fine chemicals contract manufacturer, has today announced the appointment of Rudolf Hanko as CEO. Hanko, 53 and a German citizen, has held several senior positions in the fine chemicals industry. He is currently head of exclusive synthesis and the amino acids business line at Evonik Industries. Hanko will take up his new position on May 1.    Hanko: New top man for Siegfried.   Prior to taking up his position at Evonik, Hanko was head of chemical research at Bayer AG’s pharmaceutical...

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