Mark Fiorentino

Mark is a Principal at Index Ventures focusing on fintech, real estate, and enterprise SaaS. His interests lie chiefly with businesses that increase back office and working capital efficiency, ease data and customer compliance for global scale, and enable earned wage access. Existing investments include Fast, Pomelo, RevenueCat, Catch, and Stytch.

Prior to Index, Mark helped build and lead business strategy and finance at Stripe, driving key initiatives for sales operations, global growth, and fundraising. He helped the company assess international product market fit, grow from 290 to 1,700 people, and move upmarket into late-stage and enterprise. Before that, Mark was an investor at GI Partners, focusing on vertical SaaS and insurance marketplaces, including the
acquisition of MRI Software. He was also an investment banker at Goldman Sachs, and served as a board member of the Stonestown YMCA for three years.

Mark graduated from UC Berkeley with a B.S. in business administration. He’s a certified sommelier and part owner of the Brew Coop self-pour taproom.