About
David Ko is the Co-founder and CEO of Ripple Health Group (RHG), an early stage healthtech startup focused on helping people experience healthier lives by connecting them to the care, support, and community they need. Prior to RHG, David was the President, COO and Board Member of Rally Health, a digital health company that develops online and mobile solutions that make it easy for consumers to take charge of their health and health care. Rally’s solutions are currently available to nearly 55 million people through health plans, care providers, and more than 200,000 employers. Prior to joining Rally, David oversaw all strategy, planning and operations as COO at Zynga, which he helped take public in December 2011. At the time of its IPO, Zynga was the largest social gaming company in the world with over 100 million daily active users. Prior to his work at Zynga, he spent 10 years at Yahoo! in various senior executive roles, including SVP of Yahoo!’s audience, mobile, and local businesse
Position in the VCSift Database
- • 927 investors hold the Co-founder and CEO role in VCSift. David Ko is one of them.
- • 7,285 investors are based in San Francisco, California, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Stages
- seed
- Location
- San Francisco, US
Contact Information
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