David Sacks is a prominent entrepreneur and investor with a significant impact on the technology and finance sectors. He co-founded PayPal, serving as its Chief Operating Officer, and later founded Yammer, which Microsoft acquired for $1.2 billion. In December 2024, President Donald Trump appointed Sacks as the White House AI and Cryptocurrency Czar, a role created to develop regulatory frameworks for these emerging technologies. Sacks' extensive experience positions him to influence national policy on artificial intelligence and digital assets.