Sterling Witzke leads all private investments for the Winklevoss family office with an unusually broad early-stage mandate spanning both traditional tech and crypto while maintaining a concentrated 85-company portfolio, giving her a cross-sector view across SaaS, e-commerce, IoT and crypto-native ventures. As a former founding team member and Chief Business Development Officer at Turo, she brings hands-on marketplace scaling experience to her investing, and she looks specifically for crazy yet coachable CEOs—founders bold enough to believe they can change the world but self-aware enough to ask for help where they lack expertise. Sterling Witzke leads all private investments for the Winklevoss family office with an unusually broad early-stage mandate spanning both traditional tech and crypto while maintaining a concentrated 85-company portfolio, giving her a cross-sector view across SaaS, e-commerce, IoT and crypto-native ventures. As a former founding team member and Chief Business Development Officer at Turo, she brings hands-on marketplace scaling experience to her investing, and she looks specifically for crazy yet coachable CEOs—founders bold enough to believe they can change the world but self-aware enough to ask for help where they lack expertise.