Summary List PlacementLynne Chou O'Keefe was willing to bet her career on the future of digital health, and so far, it's paying off. The former Kleiner Perkins investor left the iconic Silicon Valley firm to start Define Ventures, an early-stage firm that is hyperfocused on staking out claims in digital health. Prior to the pandemic, Chou O'Keefe's gamble seemed risky but with long-term upsides. Now, while the coronavirus pandemic pushes the industry to new heights, it feels more and more like a sure thing.