Trader And Bikram Yoga Instructor Corina Cotenescu

Trader And Bikram Yoga Instructor Corina Cotenescu

Guy Calaf/Bloomberg

Corina Cotenescu teaches the 40-year-old branch of the ancient discipline conducted in heat and humidity that has found a niche on Wall Street and Hollywood and grown into a $365 million-a-year business, based on the practice's own figures.