Blue Archive is a free-to-play real-time strategy role-playing game developed by South Korean developer MX Studio under the management umbrella of Nexon Games, a subsidiary of Nexon. From Wikipedia
Lee's promotion follows a successful tenure as CEO of Nexon Korea, with the company boasting a 19% revenue growth rate from 2018 to 2022 under his leadership; outgoing CEO Owen Mahoney to remain as senior advisor and stand for re-election to the board of directors.