David Ko is the CEO and serves on the Board of Directors of Calm, the leading app for sleep, meditation and relaxation. Prior to joining Calm, David was the co-founder and CEO of the health tech company Ripple Health Group. The company was acquired by Calm in 2022 to help build out its mental health capabilities.Before founding his own company, David was a Board Member, President and COO of Rally Health, a digital health company. Rally’s solutions are available to nearly 55 million people through health plans, care providers, and more than 200,000 employers. Rally was acquired by UnitedHealth Group in 2...read more