John Friend (yogi) 19 he moved to Houston, Texas where he studied various styles of hatha yoga including Ananda Yoga, Sivananda Yoga, and Kundalini Yoga. He also began teaching yoga part-time while working as a financial analyst. In 1984, Friend began practicing the Ashtanga Vinyasa Yoga Primary Series and, in 1986, quit his analyst job to teach yoga full-time. In 1987, Friend graduated to Secondary Series while studying with Ashtanga founder K. Pattabhi Jois in California where he also studied with Iyengar Yoga teacher Judith Lasater. That same year, Friend attended an Iyengar Yoga convention in Boston, where he met B.K.S. Iyengar, after
Ashtanga vinyasa yoga more breaths in difficult postures. Various influential figures have discussed the specific process of breath in ashtanga. Pattabhi Jois recommends breathing fully and deeply with the mouth closed, although does not specifically refer to Ujjayi breathing. However, Manju Jois does and refers to breathing called "‘dirgha rechaka puraka’, meaning long, deep, slow exhalations and inhalations. It should be dirgha... long, and like music. The sound is very important. You have to do the Ujjayi pranayama". In late 2011, Sharath Jois, the grandson of Pattabhi Jois, declared his feelings on the issue, stating that Ujjayi breathing was not done in the