I don't have an actual person, but what helped me the most were, and still are 'On Line Real Estate Pod Casts". I listen to several different shows and incorporate the different styles that work for me into my business.
This was a no brainer for me. John Morris (deceased). He was my mentor at Keller Williams Southwest. He taught me to take the time to help other agents, as he took the time to teach me. I'll never forget when he took the time to meet me at a home where I stumbled through my very first showing with a client. The training room at Keller Williams Couthest is named after him. He was an exceptional agent