Dusty "Leatherass" Schmidt is a rockstar when it comes to volume and mass multitabling. For two years he had the highest win rate on Pokerstars. He was a former member of Team Pokerstars, and is currently the only elite pro on Americas Cardroom. He has written Treat your Poker like a Business, and Don't listen to Phil Hellmuth.
Dusty also has a twitch stream where you can watch him play along with thousands of other followers; it's basically free coaching from a professional as he plays live in the biggest online cash games available on ACR.
Thank you for listening!