League has a much more structured approach to coaching. This is because players are forced to live together for extended periods of time, so a coach is vital to prevent tensions from building up and imploding the team. Beyond that, they’re in charge of training, scheduling, analysis and drafting. And depending on the team, coaches have a large support staff around them.
However, it’s harder for coaches in the west to manage players than it is in South Korea. In South Korea, elders have inherent authority, whereas in the west, everyone is seen as an equal, making it difficult for coaches to establish authority.
There are several notable coaches in the League of Legends scene, with the most renowned coach being Kim “kkOma” Jung-gyun, the coach of SKT since 2013. Previously, he failed as a SCII professional player, but he went on to become one of League’s most respected coaches.