David Ko
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David Ko

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David Ko is a first-time author and CEO/Board Member of Calm, the mental health company and #1 app to help you sleep more, stress less, and live mindfully. Before 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 spent over a decade as a leading executive in healthcare. He was a Board Member, President and COO of Rally Health, a digital health company acquired by UnitedHealth Group in 2017. Rally’s solutions are available to nearly 55 million people through health plans, care providers, and more than 200,000 employers. David has been featured in TIME’s Leadership Brief, named a LinkedIn “Top Voice” and one of RockHealth’s “Top 50 Leaders in Digital Health.” He has also been a featured speaker at the Aspen Ideas Healthcare Festival and the White House Panel on Mental Health & AAPI, among many others. David was also the COO at Zynga, which he helped take public in December 2011. Prior to his work at Zynga, he spent 10 years at Yahoo! in various senior executive roles. He serves on various boards at his alma mater, New York University Stern School of Business, including the Stern Executive Board and Technology Advisory Board. Through his involvement, he helped launch the Andre Koo Tech MBA program, and in 2016, he established the NYU Stern Venture Fellows program for aspiring entrepreneurs.
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The Best Fiction Podcasts for Listeners Who Love a Good Story

You can’t beat a good story. Luckily, humans are great at storytelling, and the best fiction podcasts are all the proof that the modern listener requires. Get the popcorn ready; it’s storytime.

Featured Article: The Best Fiction Podcasts for Listeners Who Love a Good Story

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    • Boosting Your Mental Battery, One Conversation at a Time
    • Written by: David Ko
    • Narrated by: Andy Barnett
    • Length: 4 hrs and 26 mins
    • Release date: 2025-01-22
    • Language: English
    • Not rated yet

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