Jeffrey Grumbling

Jeffrey Grumbling has extensive leadership experience in the optical and energy sectors. Currently serving as President and Chief Operating Officer for the Ophthalmic Division in North America at OptoTech since November 2014, Jeffrey oversees sales, service, training, and distribution across the U.S., Canada, and Mexico. As President of Grumbling Associates since April 2012 and former President & CEO of Powin Energy from May 2013 to September 2014, Jeffrey has led initiatives in advanced energy solutions. Previous roles include Senior VP of Product Development at PEI Manufacturing, where responsibilities included new product and business development, and Director of Operations at Carl Zeiss Vision, managing operations across multiple optical labs. Early career experience includes a Divisional Manager position at Wal-Mart, responsible for Rx Lab Operations and the Optical Distribution Center.