Luca Keller Joins the International Jury for CIMASUB's 50th Anniversary Edition

Luca Keller, a renowned German-Italian underwater filmmaker and content creator, joins the jury of the 2026 edition of Cimasub, the Donostia-San Sebastián International Underwater Film Festival, in a particularly special year as the festival celebrates its 50th anniversary. His addition strengthens the international profile of the event and brings a contemporary perspective on underwater imaging from one of the most promising voices in the global sector.

As the founder and director of Underwater Lunatics, Keller has built a solid career in underwater cinematography, combining outstanding visual storytelling with a strong commitment to ocean awareness and marine conservation. His independent production company has become a respected name in the field through the creation of documentaries and audiovisual projects that showcase both the beauty and fragility of marine ecosystems.

Born between Germany and Italy, Keller began his career in professional diving and underwater videography at an early age. After qualifying as a divemaster in Southeast Asia, he developed a distinctive visual style that has led him to work on natural history productions, documentary projects, commercial campaigns and specialized underwater filmmaking training programs.

His career has also led him to collaborate with initiatives such as Behind the Mask, a prestigious international collective of filmmakers, photographers and ocean storytellers, known for its documentary productions and its presence at some of the world's leading diving and underwater photography events. Through this collaboration, Keller has contributed to several audiovisual productions, bringing his creative vision and expertise as an underwater filmmaker and cinematographer.

His work has been recognized at numerous international film festivals, earning awards and official selections for his productions. In addition, his imagery and films have been featured by internationally respected media outlets and organizations, further strengthening his standing within the global marine storytelling community.

Keller is also an active ambassador for the underwater world, regularly sharing his experiences, techniques and projects through various platforms and industry events. His ability to capture marine life behavior with authenticity, creativity and respect for the environment has made him a highly regarded figure within the underwater audiovisual sector.

To find out more about his work, you can visit his official website, uwlunatic.art, and his Instagram profiles @uwlunatic and @underwater.lunatics, where he regularly shares projects, shoots and content related to the underwater world and audiovisual creation.

Luca Keller's presence on the CIMASUB jury carries special significance in such a symbolic year as the festival's 50th anniversary. His appointment further enhances the international character of the event and brings a contemporary perspective to underwater filmmaking, particularly one connected to the new generation of ocean storytellers and visual creators.

The CIMASUB organization is delighted to welcome Luca Keller to this historic edition and is confident that his experience, expertise and vision will contribute to strengthening the legacy of a festival that, fifty years after its founding, remains one of the world's leading events dedicated to underwater cinema and imaging.