Authors Chrys Kub My PTontheNET Content My Web Site Chrys is a Senior Master Trainer and member of the YogaFit Education Board. She has a Master's Degree in Physical Therapy from the University of Southern California. She is an ACE certified personal trainer, AFAA certified group exercise instructor, Spinning certified Cycle instructor and Yoga Alliance RYT. Chrys has been in the fitness industry for 23 years with the past seven years focusing on the practice and teaching of yoga. Chrys teaches YogaFit Levels 1, 2, 3, 4, Seniors, Prenatal, YogaButt and YogaStrength.