Gregs Teachers

Rob Gottfried
Dom Famularo
Mark Manczuk
Nate Dobas
Simon Kirke
Jules Radino

Companies

Vic Firth
Hudson Music

Drummer Friends

Stephane Chamberland
John Favicchia
Danny Britt
Ryan Carver
Joe Bergamini
Emmanuel Morin
Steve Gendron
Andrew Hewitt