Jeroen Boschma
Allan Pease
Pedro Rojas
José María Palomares
Jóse Mª Acosta
Antonio Nuñez
Francesc Grau
Lalueza Bosch, Ferran; Xifra Triadu, Jordi
William Ury; Roger Fisher; Bruce Patton
John V. Pavlik
Gonzalo Álvarez Marañón
Agustín Rosa