Liz Wiseman, the author of the bestselling book Multipliers, talks about the difference between a multiplier and a diminisher. She also explains how keeping the mindset of a rookie can be valuable in any organization. 

Multipliers Book: https://thewisemangroup.com/books/multipliers/

Rookie Smarts Book: https://thewisemangroup.com/books/rookie-smarts/

The Wiseman Group: https://thewisemangroup.com/