[4] In March 2023, he became chief executive officer of Twitch, after previous CEO and co-founder Emmett Shear announced he would step down.

[7] After attending Jesuit High School in New Orleans, Louisiana, Clancy received a BA in computer science and theatre from Duke University in 1985.

[9] While in school, Clancy worked at Trilogy, Xerox Webster Research center and NASA's Jet Propulsion Laboratory.

At NASA, Clancy participated in the team that developed the agency's plan to return men to the Moon and eventually Mars.

[15][12] There he worked on scaling the core technology that allowed Google to scan millions of books each year, as well as optimizing search rank results.

[24] On the same day, Bloomberg reported that Twitch's Vice President of global creators, Constance Knight, would be leaving the company.

[25][26][27] The change was criticized by streamers,[28] as well as the head of competitor YouTube Gaming, Ryan Wyatt, saying "the creator should be getting a disproportionate amount—this shouldn’t even be up for debate".

[25] On March 20, Clancy announced that Twitch would be laying off 400 employees, as part of Amazon-wide layoffs affecting 9000 workers across the company.