Katsumi, civil name Céline Tran, born April 9, 1979 in Lyon, France. He's from France. His father's Vietnamese. His mother's French. He started his studies at the Grenoble School of Political Science and then studied modern literature, but he did not finish his university studies. He started his career as a go-go dancer and model, and then at the request of the French edition of Penthouse, he took a photo shoot from here to the adult film industry, where he debutated in 2001, first in France and then in the United States. In the beginning, Katsumi used an artist's name, but in 2007 she changed it to Katsuni because of legal dispute and became known by that name worldwide. In 2003 he entered into a contract with Colmax and then had breast augmentation surgery in 2006 with the new appearance of his first film, French Connexion. In 2007, he signed an exclusive contract with Digital Playground studio, which became the first French-born star to sign a contract with a large American production company. During her career she was in over 600 films, her most famous productions include Pussy Kat, Lost Angels: Katsumi, Les Secrétaires, Jack's Playground, Pirates II: Stagnetti's Revenge, French ConneXion and Fashionistas Safado - The Challenge. He won multiple AVNs, won the Fair Foreign Performer of the Year three times, and was admitted to AVN Hall of Fame in 2014. He retired from the porn industry in 2013and continued his career as a mainstream actress, writer, martial artist and blogger in his own name, Céline Tran. For example, he was in the Porn in the Hood (2012) French comedy, Jailbreak (2017) Cambodian action film, and his autobiography book Ne dis pas que tu aimes ça was published in 2018.