For 13 years, Céline made her body her instrument of work and experimentation and became known under the pseudonym, Katsuni, her name of "warrior in stilettos". A student of literature and political science, then the muse of Penthouse France in 2000, Céline Tran has become the biggest French porn star of her generation and the most recognised in the world.

Céline Tran is 1st dan in taekwondo, 2nd dan in shotokan karate, certified in well-being massage, Chi Neï Tsang and Traditional Thai Yoga Massage. She has also obtained a Teacher Certification in Asthanga Yoga and is a practitioner in eriksonian hypnosis, trained in psychopathology and specialised in Sport & Performance.