José Antonio Jiménez-Barbero was born in Barcelona in 1975, although he currently lives in Murcia. After several years working as a police officer and then a specialist mental health nurse, he now works as a professor in the faculty of nursing at the University of Murcia.

José Antonio Jiménez-Barbero nasceu em Barcelona em 1975, embora atualmente resida em Múrcia. Depois de vários anos como policial, e mais tarde como enfermeiro especialista em saúde mental, atualmente trabalha como professor na Faculdade de Enfermagem da Universidade de Múrcia.

José Antonio Guerrero has a B.A. in Arts and graduated in Digital Image from the Dorset’s Bournemouth And Pool College of Art and Design.

José Antonio Fortea Cucurull (1968) is a priest and theologian who specialises in demonology. He studied Theology at the Universidad de Navarra. He graduated, with a major in Church History, from the Facultad de Teología de Comillas.