Two teams form the government (proposition in the UK and North America) and two the opposition in each debate room.
Since edition held in México in 2014 a Nation's World Cup and a Spanish As a Second Language tournament were introduced.
Some editions have given focus to social service, including a full day was dedicated to teach debate to local students in 2014,.
Samuel Ortiz Marcela Goméz Rubén Sanchez Juanita Hincapié Jorge Portocarrero Elena Gillis & Universidad Autónoma de Barcelona (Gorka Samaniego) Cornell University Leonardo Grageda ( United States, Mexico ) Javier de la Puerta Guillermo Serrano Spain Universidad CEU San Pablo Jorge Álvarez Cornell University Aida González Iván Olmos Ferreiro Spain Universidad Pontificia Comillas Javier Alberite Kyung-Tak Woo ( South Korea)
Irene Miguelsanz Villanueva Javier de la Puerta Antonio Fabregat Alberto de Unzurrunzaga Rubio Spain Universidad de Murcia Pilar Rodríguez Losantos Irene Miguelsanz Villanueva Gonzalo Alonso Pinto Carlos Seseńa Vaquero Carlos Seseńa Vaquero Daniel Iribarren Abarca Rita Sleiman Nicolás Palma Camila Salazar-Simpson Nicole Hansen Mexico Tec de Monterrey Campus Estado de México David Alatorre López Diego Duarte, Giza Pavone, Juanita Hincapie Jorge Bullon, Giovanni Begossi, Adriana Barrantes Sebastián Ezeta, Fabián Yaksic, Fernanda Crousillat Mexico & Colombia Erika Silva, Valeria Hernandez y Daniel Espinosa Mixed Team Mexico Spain Chile Valeria Hernández, Mariana Morales, David Alatorre López No Quarters Break (Copa de Jueces) Peru Deza, Ruiz, Lozano Mexico Spain Colombia (Copa de Jueces) Chile Nicole Hansen Spain Mixed Team Mixed Team Peru Panama Central America Mixed Team Diego Cabrera Carlos Ortega Mariana Morales Ernesto Deza Mexico David Alatorre López Luz Dybner & Sara Stober Brittany Garcia & Estefanía Palacios Cornell University University of La Verne University of North Georgia Selene Figueroa & Quinn Seremet England Warwick Reinhold Koch & Austria Katrin Fallmann Russia HSE Netherlands Wageningen University Germany Felix Plassman & Alexander Wisse Russia HSE Mexico Shamir Cervantes & United States Andrés Oswill