Roberto have worked with high level athletes in different combat sports, below a list of the people that he worked with.
Rashad Evans (former UFC champion)
Alistair Overeem (Strikeforce champ, K 1 Champ 2010, Dreamheavyweight Champ )
Siyar Bahadurzada (Champion Glory world series 2011)
Marloes Coenen (former strikefore champ 135 lbs)
Vitor Belfort (former UFC champion)
Fedor Emelianenko (Pride champion)
Tyrone Spong (World champion)
Valentijn Overeem ( French Champion 2010)
Daniel Ghita (K-1 fighter)
Mourad Bouzidi (K-1 fighter)
Damian Grabrowski (Polish champion)
Thiago Silva (UFC fighter)
Cosmo Alexander (It’s Showtime champion)
Eddy Alvarez (Bellator champion)
Michael Johnson (UFC fighter)
Antony Johnson (WSOF fighter)
Abel Trujilo (UFC fighter)
Ryan Jimmo (UFC light-heavyweight fighter)
Gerard Mousasi (Strikeforce Lightweight Champ and Dreamlightheavyweight Champ)
Melvin Guillard (UFC-fighter)
Piotr Pletwal (UFC lightweight fighter)
Andy Ristie (Glory Champion 70kg)
Hans Stringer (UFC light heavyweight fighter)
Ben Henderson (Former WEC/UFC lightweight champion)
James McSweeney (GFC Fighter)
Rustam Khabilov (UFC Lightweight Fighter)