His clients including multiple Olympians, National Champions, State Champions, triathletes competing at Kona and the 70.3 World Championships, collegiate All-Americans, and professional tennis players as well as people trying to complete their first triathlon, recreational gym goers, and people who want to feel better, improve their energy levels, and learn how they should be eating to achieve their goals. Jeff also teaches college sports nutrition at CSU Los Angeles, is a consultant for the Men’s Tennis team at Loyola Marymount University, and stays actively involved in scientific research.