[2][3] Yoo has built his career on ICT across sectors from private enterprise and academia to government.

After graduating in mathematics from Pusan National University, Yoo started working at LG Electronics's computing department.

[4] Before entering politics, he held senior managerial roles in major corporations in South Korea or their subsidiaries such as chief information officer of LG Electronics, vice president of LG CNS and chief operating officer of POSCO ICT.

He led several government-funded institutes as the 4th president of now-National IT Industry Promotion Agency, vice president of Korean Institute of Information Scientists and Engineers and chief director of now-Korea Data Agency.

Then-democratic party leader, Moon Jae-in, recruited him for the general election in 2016 for Busan's affluent constituency.