This style of yoga was founded by Here is a video of Pattabi Jois. Ashtanga Yoga is is a highly structured vinyasa-style class. There are five Ashtanga asana series and each student must master every pose of the first series before moving onto the second series. Ashtanga Yoga came to the west through students of Sri Pattabi Jois, who passed away in 2009 after establishing his yoga center in Mysore, India.
The first series begins with ten sun salutations (five A and five B), continues with a series of standing poses done on each side, and finishes with a set of inversions and seated poses, which are linked by a vinyasa sequence.
Beginners beware! This is a tough class. You may want to try some other asana classes in order to learn the basic poses before jumping into an Ashtanga practice. Tania Hanna and Erika von Orirschot are the highly trained Ashtanga teachers at TYC.