Sarah Kreifus

Sarah Kreifus is a Principal at American Express Ventures based in the San Francisco Bay Area, where she leads investments in fintech, enterprise software, and digital transformation. Since her early 2022 promotion, she has contributed to managing a portfolio exceeding $500 million in assets under management and backed notable technology companies including Plaid, Toast, and N26. Her recent investment activity includes leading a 2024 funding round for an emerging cybersecurity startup, aligning with her broader focus on payments and open banking. Prior to joining American Express Ventures, Kreifus served as an investment principal at Sapphire Ventures and held earlier associate roles at Trinity Ventures, Battery Ventures, and Bain and Company. She holds an MBA from Harvard Business School and leverages over a decade of experience in technology investing to bridge corporate strategy with enterprise software innovation.