Glossary

Key Opinion Leader (KOL)

An expert or authority whose endorsement carries unusual weight in a category — common term in Asian markets.

Also known as: KOL · Key opinion leader

A key opinion leader (KOL) is a recognized expert or authority whose opinion carries outsized influence in a category — a term used widely in Asian markets, roughly overlapping with high-tier influencer.

KOLs are valued for credibility over raw reach. Creator commerce treats them as one tier of creator, measured like any other on attributed revenue.