David Sacks's contact details (@DavidSacks), past investments, sectors, and check sizes ($50K - $50M).
David Sacks is a technology investor and entrepreneur whose investment perspective is shaped by direct operational experience building and scaling high-growth companies. As founding COO of PayPal and founder and CEO of Yammer, which was acquired by Microsoft, Sacks developed hands-on expertise in product development, organizational scaling, and enterprise go-to-market strategy. He extends this knowledge publicly through the All-In podcast, where he has introduced frameworks such as the Burn Multiple to help founders evaluate capital efficiency. His portfolio reflects a consistent orientation toward software and technology businesses with broad commercial applications. Observed sectors include B2B software as a service, artificial intelligence infrastructure, fintech, developer tools, and enterprise security. The range of companies he has backed spans early consumer platforms, marketplace businesses, and enterprise-focused software, suggesting comfort operating across stages and business models. Notable portfolio companies include Airbnb, Uber, Lyft, Slack, Palantir Technologies, Affirm, Gusto, Opendoor, Eventbrite, SurveyMonkey, AngelList, and Quora, among many others. Sacks deploys capital across a wide check size range, indicating flexibility to participate from early-stage entry points through larger growth-stage commitments. His approach combines pattern recognition drawn from founding experience with a public intellectual posture that positions him as both a capital provider and a strategic resource for founders navigating the challenges of building durable technology companies.