Zellweger studied at the University of Weingarten and graduated with a Master's degree (M.Sc.) in Optics. He has been working in various executive positions in the optics sector for more than ten years at home and abroad. In his new position at FISBA, Zellweger can rely on his experience and in-depth knowledge in the optical components, laser diode applications, metrology and coating fields.
Zellweger is the successor of Dr. Martin Forrer, who has been working at FISBA in St. Gallen for more than 22 years and who will be taking on a new challenge within the company as the Senior Vice President Business Development.