1. a person who shares leadership of a group, organization, or activity with one or more others

Examples

• The two coleaders of the student council worked together to plan the school events.
• She was appointed coleader of the project alongside her colleague.
• The coleaders of the nonprofit organization brought different expertise to the team.
• As coleaders of the debate team, they divided responsibilities to improve performance.
• The band's coleaders made all major decisions by consensus.
• He served as coleader of the community garden initiative for three years.