Business, News HOYA Group Appoints Gerald W. Bottero Global President of PENTAX Medical by Business Wire • 2016/02/01 • 0 Comments TOKYO--(BUSINESS WIRE)--PENTAX Medical, a division of HOYA Group, has announced the appointment of Gerald W. Bottero to the position of Global President of PENTAX Medical as of February 1st, 2016. Full Story →