Professional headshot of Jeff Stein, smiling, with short gray hair, wearing a dark suit jacket and a white shirt, against a blurred background.

Jeff

Stein

Jeff is the founder of GearSay, Inc., a Boston-based sports-tech startup that leverages AI-driven results to revolutionize the sports e-commerce landscape. GearSay uses AI to help users discover the gear that is right for them.  He is also a member of the board of directors of MassTech, the unique quasi-public agency in Massachusetts that supports business formation and growth in the state’s technology sector, helping Massachusetts lead in the global digital economy. Jeff is a sub-3 marathoner, an All-American triathlete, a former member of Team USA (triathlon), an age group winner of several major races, an Ironman Kona competitor, and an avid skier, golfer, hiker, cyclist, and paddleboarder. He is also a proud husband, father, father-in-law and grandfather.

Professional Background

Jeff Stein is Senior Vice President of Corporate Affairs at Casella Waste Systems, Inc., one of the largest recyclers and most experienced fully integrated resource management companies in the Eastern United States. Previously he was a partner at the international law firm WilmerHale, as a member of the emerging companies and mergers and acquisitions group. He is also the founder of Gearsay, a Boston-based sports-tech startup that leverages AI to help users discover the gear that is right for them.

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