David Sacks has been a successful founder and investor in Silicon Valley for over 25 years and has invested early in some of the most iconic companies in tech, including AirBnB, Facebook, Palantir, SpaceX, and Uber.

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In 2025, President Trump named him White House AI & Crypto Czar and Chair of the President’s Council of Advisors on Science and Technology (PCAST).

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David first got involved in the technology industry in 1999 when he served as PayPal’s first product leader and then as COO. David built and ran many of the company’s key teams, including product management and design, sales and marketing, business development, international, customer service, fraud operations, and HR. When the company IPO’d on the Nasdaq in 2002, David was 29 — the median age of the “PayPal Mafia” executives listed on the S-1. PayPal was later acquired by eBay and eventually spun back out into a publicly traded company (NASDAQ: PYPL).

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In 2008, David founded enterprise collaboration company Yammer, one of the fastest-growing software startups in history. As Founder/CEO of Yammer, David grew the company to roughly $60 million in sales and 500 employees. In July 2012, Microsoft acquired Yammer for $1.2 billion. It remains one of the fastestunicorn exits in SaaS. “Bottom Up” is the strategy he pioneered at Yammer bycombining product-led growth with B2B sales.

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David is co-host of the All In podcast, alongside Chamath Palihapitiya, JasonCalacanis and David Friedberg, which is routinely one of the top podcastsoverall, and the #1 tech podcast.