Complex sentence: After leaving her school, Elliott became a diversity trainer full-time and has been on Oprah and Ellen and still holds the exercise and gives lectures about its effects all over the U.S. and in several locations overseas.
Split into simpler sentences: After leaving her school, Elliott became a diversity trainer full-time and has been on both "The Oprah Winfrey Show" and "The Ellen DeGeneres Show". She still holds the exercise and gives lectures about its effects all over the U.S. and in several locations overseas.