noun
A person who leads a team, often in a workplace or project setting. The term is a direct loan from English and is used in similar contexts.
彼はプロジェクトのチームリーダーに任命された。
He was appointed team leader of the project.
チームリーダーとして、メンバーの意見をまとめる役割が
As a team leader, you have the role of bringing together the members' opinions.