This is the 6743rd most frequent Korean word.
이끌었던
"Led" or "had led."
Here, '이끌었던' is used to describe past action of leading by qualifying '경험 있는 리더' (an experienced leader).
그는 팀을 성공으로 이끌었던 경험 있는 리더였습니다.
He was an experienced leader who led the team to success.
In this sentence, '이끌었던' refers to a specific process that was 'led' during the past project.
지난 프로젝트에서 이끌었던 과정을 되돌아봅시다.
Let’s reflect on the process we led in the last project.
The usage of '이끌었던' here indicates past action of leading a 'meeting'.