
David Ko
David Ko is the CEO of Calm, a leading app for sleep, meditation, and relaxation, a role he has held since July 2022, having initially joined as Co-Founder and CEO in October 2019. Under his leadership, Calm has expanded its offerings, notably launching Calm Health to integrate mental and physical healthcare. Ko's extensive background in health-tech, including his previous role as co-founder and CEO of Ripple Health Group (acquired by Calm in 2022), has been instrumental in Calm's growth and market presence. David Ko served as COO at Zynga, helping to take the company public in December 2011. He was President and COO of Rally Health, which was acquired by UnitedHealth Group in 2017. In 2022, Calm acquired Ripple Health Group, a health tech company Ko co-founded and led as CEO. He is also the #1 Amazon bestselling author of "Recharge: Boosting Your Mental Battery One Conversation at a Time". As CEO of Calm, Ko continues to drive innovation in digital mental health, aligning his past successes with Calm's mission to improve global well-being.
Career Milestones
- Served as COO at Zynga, contributing to the company's public offering in December 2011.
- President and COO of Rally Health, overseeing its acquisition by UnitedHealth Group in 2017.
- Co-founded and led Ripple Health Group, acquired by Calm in 2022, then became CEO of Calm, launching Calm Health and expanding digital mental health offerings.
About Calm
Calm, founded in 2012, is a mental wellness company in the software industry. They help individuals and employees manage stress, improve sleep, and practice mindfulness through guided meditations, Sleep Stories, and relaxation tools. Their target audience is typically 25-55 year olds seeking self-improvement and mental well-being. Benefits include reduced anxiety, better sleep, and increased focus.