Please Check it out this wonderful interview with Maty about Ashtanga Yoga.

Primary Series Ashtanga Yoga with Sri K. Pattabhi Jois, Maty Ezraty, Chuck Miller, Eddie Stern, Richard Freeman, Tim Miller and Karen Haberman. 

Practicing Yoga is a privilege, and with this privilege comes a duty to be kind, to share a smile,

and to offer the yoga from the mat into the rest of your life.  ( Maty).