Encourage Peer Coaching
Do you create an environment at your business/organization that allows peer coaching?
Hopefully you do. If you don't, encourage peer coaching among the members of your team. Peer coaching can be formal, informal or a combination of both.
You'll likely find that everyone on your team has a skill, technique, behavior that they can teach a fellow team member. That coaching is rewarding for both parties, and it helps everyone to learn an important skill for being a successful leader -- coaching.