How can you convince experts to contribute their knowledge to a knowledge management system?

Originally answered Jan 9, 2018

See:

1. How to motivate knowledge sharing using gamification,goals, recognition, and rewards
2. 16 Reasons Why People Don’t Share Their Knowledge — and what to do about it
3. Why share your knowledge?
4. Open the gates and tear down the walls; moving from “need to know” to “need to share”
5. KM Incentives and Rewards
6. KM Goals and Measurements
7. Gamification Applications and Digital Badges
8. Ask the Expert

My book, Proven Practices for Promoting a Knowledge Management Program, is about selling KM in organizations. It has additional useful suggestions.