He is a member[2] of The Academy of Motion Picture Arts and Sciences of Hollywood, the Academia de las Artes y las Ciencias Cinematográficas de España, the Board of Trustees of Nebrija University[3] and in the mid-eighties he was freelance to the Spanish newspaper El País in Los Angeles.
Over 35 years in the industry, he has worked on the North American marketing campaigns of more than 300 films,[4] including The Milagro Beanfield War, Old Gringo, Born in East L.A., Like Water for Chocolate, Shrek, My Family, Selena, Apocalypto, The Book of Life, American Sniper, Dawn of the Planet of the Apes, Transformers, The Avengers, Toy Story 3 and Toy Story 4, Star Trek, Madagascar, Annabelle, Son of God, Beverly Hills Chihuahua, Logan, Cruella and Free Guy.
As a producer and distributor, he worked on films such as Imagining Argentina, with Antonio Banderas and Emma Thompson; Empire, with John Leguizamo; The 3 Wise Men; Culture Clash in AmeriCCa directed by Emilio Estevez; Nicotina with Diego Luna; and the adaptation of the classic Rudolfo Anaya Bless Me, Ultima, the first Hispanic novel written in the United States.
He showed interest in cinema from a very young age thanks to the free tickets the neighborhood theater gave his father in exchange for hanging the poster of the weekly double session in the family store.
[14] In 1987, Pozo resigned from Universal Studios and founded Arenas Group, a film marketing company.
Arenas’ first film wass Empire, 2002, with John Leguizamo, Peter Sarsgaard and Denisse Richards.
Arenas has also produced and distributed such films as Imagining Argentina with Antonio Banderas and Emma Thompson; Nicotina with Diego Luna, The 3 Wise Men, with the voices of Martin Sheen, Emilio Estevez and Jose Luis Rodriguez (singer) and Culture Clash in AmeriCCa, directed by Emilio Estevez.
In 2001, Pozo successfully lobbied the City of Los Angeles to add the Spanish language tilde (Ñ) to street signs where required.
In 2009, he was the first recipient of the “Outstanding Marketing in Film and Television Impact Award” presented by The National Hispanic Media Coalition.