Open Sky Yoga, Rochester, NY, USA

http://www.openskyyoga.com/

B.K.S. Iyengar.com

http://www.bksiyengar.com/

YogaAlliance 

http://www.yogaalliance.org/

Monika Czack, Diplom Psychologin Psychologische Psychotherapeutin

http://www.psychotherapie-czack.de

Hansefit GmbH

https://epassi.de