Jeff is a Co-Founder and Co-CEO of Mammoth Brands, formerly Harry’s Inc. He is passionate about building brands that positively impact people’s lives. In his role, he supports the company’s portfolio of brands in achieving their fullpotential.

BeforeHarry's, Jeff co-founded Warby Parker in 2010. Earlier in his career, Jeffworked at Charlesbank Capital Partners and Bain & Company with co-founderAndy. He holds a BA in International Studies from The Johns Hopkins University,an MA in International Affairs from The Johns Hopkins School of AdvancedInternational Studies, and an MBA from Wharton Business School. Jeff currentlyserves on the board of directors of Warby Parker.