Gui has worked on projects shown on National Geographic, Nat Geo Wild, Youtube Originals, Tubi (FOX USA), A&E, Rede Globo, GloboNews, Canal Off, ESPN Brasil, Nickelodeon, Disney Channel, TV Cultura, Record, SBT, Rede TV and TV iG, His works include "Expedição Oriente" (Schürmann Family), "Brasil Selvagem" (Wild Brazil), "Missão Américas" (Americas Mission), "Câmera Selvagem" (Wild Camera), "O Mundo Selvagem de Richard Rasmussen" (The Wild World of Richard Rasmussen) and "Até que a Morte nos Separe" (Till Death Do Us Part). He also wrote the scripts for the feature documentaries "A Future-Proof Present", "In Search of U-513", "The Reinvention of Football Art", "Legendary Routes - Route 66", the short film "Natural Born Climber", two books, webseries, events such as the "Meus Prêmios Nick" and "Prêmio Itaú-Unicef", as well as dozens of corporate jobs for large companies such as Procter & Gamble, Unilever, Vivo, Motorola, Sky, Volkswagen, Ford, Mercedes Benz, Toyota, Renault, Nissan, Phillips, Canon, Hering and Sabesp, among many others.