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 businesses. David serves on the board of overseers at his alma mater New York University Stern School of Business where in 2016 he established the NYU Stern Venture Fellows program for aspiring entrepreneurs. He also works as an advisor and investor to a number of companies in Silicon Valley including Calm, the number one app for Sleep, Meditation and Relaxation.