Mark Fiorentino

Mark leads investments focusing largely on fintech and application SaaS. He is especially interested in fintech infrastructure, verticalized payment workflows, and SaaS tools disrupting legacy incumbents. Mark is the board member or lead investor from Index in a number of companies including RevenueCat, Mercantile, and Catch. Prior to Index, Mark helped build and lead business strategy and finance at Stripe from 2015 to 2019, driving key initiatives for sales operations, global growth, and fundraising. He helped the company assess international product market fit, grow from a couple hundred to nearly 2,000 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. Amongst other hobbies, he’s a certified sommelier and an avid CrossFitter competing in the Open several years running.