Alexis Mickael Wajsbrot is a French film director, producer, and visual effects supervisor best known for his 2016 horror film Don't Hang Up. Wajsbrot's directorial debut was the short film Red Balloon, a 13-minute thriller he co-directed. In 2010, he won the Directorial Discovery Award at the Rhode Island International Horror Film Festival and 35 selections in others.[citation needed] As a director, Wajsbrot is also a visual effects supervisor at Framestore. In 2014, he won a Visual Effect Society Award for Alfonso Cuarón's Gravity for Outstanding FX and Simulation Animation in a Live Action Motion Picture. In 2024, Wajsbrot was nominated for an Academy Award in Best Visual Effects for Guardians of the Galaxy Vol. 3. His nomination was shared with Stéphane Ceretti, Guy Williams and Theo Bialek. Description above from the Wikipedia article Alexis Wajsbrot, licensed under CC-BY-SA, full list of contributors on Wikipedia.