Giorgio Gregorio was born in Trieste in 1960. He graduated in Literature from the University of Trieste, with a thesis in film studies, focusing on the main aspects of children's use and understanding of educational films. A veteran of Alpine climbing, he has been climbing since 1976 and has over 500 repeats of classic rock and ice climbs, with difficulties up to ED.

He has been a professional journalist since 1992. Since 1985, he has worked in the Television Productions department of the Press and Communications Office of the Autonomous Region of Friuli Venezia Giulia. He has photographed and edited over 20 documentaries on the socio-political, cultural, historical, environmental, and natural world of this region, specializing in nature and Alpine filming.

He made his directorial debut in 1998 with the film "Una salita tra le Giulie," which was awarded Best Italian Film by the International Jury at the 46th Trento Film Festival, and Best Film for "Scabiosa Trenta" at the fifth edition of the international "Alpi Giulie Cinema" festival. In 2002, he shot and directed the film "Montanaia Sogno di Pietra." In 2003, he shot and directed the films "Montasio, sulla Nord del Drago" and "Oxus - Montagne per la Pace," a filmed journalistic reportage of the mountaineering and humanitarian expedition organized by Mountain Wilderness in Afghanistan in the summer of 2003. In 2007, the film "La Via Eterna," which recounts the mountaineering route on the Cengia degli Dei in the Jof Fuart Group, starring Friulian mountaineer Nives Meroi. In 2009, the film "Gervasutti, il solitario signore delle pareti." He is a National Mountaineering Instructor for the Italian Alpine Club (CAI).

For 14 years, from 1999 to 2013, he was the director of the "Emilio Comici" National Mountaineering School of the Julian Alpine Society of Trieste. He is an active member of Mountain Wilderness, an international environmental movement founded in 1987 to respond effectively, courageously, and promptly to the pressing need for help that the mountains seem to be making to all those who truly love them. In this context, he participated as an instructor in the first course for mountain guides and high-altitude porters, organized in June-July 2001 in the Pakistani Hindu Kush by Mountain Wilderness, in collaboration with the CAAI and the National Commission of Mountaineering Schools. In 2003, on behalf of the Friuli Venezia Giulia Region, he participated as a correspondent journalist and high-altitude cameraman in the mountaineering-humanitarian expedition “Oxus - Mountains for Peace”, filming on the face of Mount Noshaq, up to an altitude of 6000 metres, and taking photos up to Camp 2 at 6200 metres above sea level.