Complex sentence: María José is a singer, ballet and flamenco dancer, athlete, has a B.A. in Communications, very extroverted and well known and established within the music industry because she was part of one of the most successful pop groups in Mexico.
Split into simpler sentences: María José is a singer, ballet and flamenco dancer, and athlete. She has a B.A. in Communications, is very extroverted and well known and established within the music industry because she was part of one of the most successful pop groups in Mexico.