David Sammel is a world prominent tennis coach based in the UK who has coached dozens of professional players and international junior players. He’s also the author of the book Locker Room Power and the founder of Mindset College.  
Through this conversation, you will learn what Locker Room Power is, how to develop it, and how to apply it in competition. This includes the concept of mentally unsettling the opponent and using courage as a virtue. 

Locker Room Power: Building an Athlete's Mind https://www.amazon.com/dp/1080758585  
US listeners - Audio version of Locker Room Power: https://www.audible.com/pd/B092L4K5V4 
UK listeners - Audio version of Locker Room Power: https://adbl.co/3nCJZAD 
Mindset College: https://www.mindsetcollege.co.uk