Cathe Friedrich, born July 20, 1964, is an American ACE certified group fitness instructor, personal trainer and entrepreneur from Glassboro, New Jersey.[1][2] Since releasing her first fitness video in 1989, Friedrich has released over 190 fitness videos.[3] For several years she has taught fitness classes on the now defunct FitTV.[2] She is the co-owner of Four Seasons Health Club in Glassboro, New Jersey, where she regularly teaches fitness classes. In 2011 she was inducted into the National Fitness Hall of Fame.[4][5][6]