Agree Russel Napier is easily top 5 people on the planet to listen to (for me). Here is my top 10:

1. Grant Williams

2. Robert Friedland

3. Luke Gromen

4. Lyn Alden

5. Russel Napier

6. Preston Pysh

7. Pippa Malmgren

8. Adam Rozencwajg

9. Josh Crumb

10. Jeff Booth