#RedVelvet's #YERI revealed that during her trainee days at SM Entertainment, she was even sent to a spinal clinic as part of the company’s efforts to help idols grow taller.
kind of like the captain of a sports team; they lead, make important decisions, keep the group on track and motivated, resolves fights, knows each members strengths and when to use them, take ownership for failures, guide the members, create a cohesive environment, etc