Allison Allen invests in early stage B2B and enterprise software companies as part of the investment team at Operator Collective. She previously led global product operations for Uber's Money Team, scaling payments across more than seventy countries, then co-founded and served as COO of Fast, an online checkout startup that raised over one hundred twenty million dollars before shutting down in 2022. Through her personal angel fund, Trail Run Capital, she backs pre-seed founders who are alumni of high growth companies, with angel investments including Mercury, Hex, and Esusu.