Doctor Koubi graduated the University of Marseille in 1998.
He has held a position of Associate Professor in the Restorative department in Marseille University since 2008 and received his PHD in 2011. He was a resident for 3 years in Paris University after his graduation. He has a private office in Marseille and a smile consultation clinic in Paris. His main focus concerns esthetic rehabilitation for cosmetic functional reasons (worn dentition). He is invited to many prestigious academics to lecture on a simple way to achieve high-level esthetic dentistry and he is mainly focused on the teachability of esthetic dentistry. He is a speaker in the esthetic post graduated program in many universities (Marseille, Strasbourg, Ho Chi Minh city, Hanoi). He received the Gold molar title from the students in his university (teacher of the year) in 2012 and title of best French speaker during that same year. In 2014, he was awarded the silver molar award.
Since 2012, he has been a member of the Style Italiano group, responsible for indirect topics.
In 2013, he founded L’institut de la Facette, a private training center, focused on smile design for worn dentition and cosmetic rehabilitation
.He is author of many scientific articles and case reports on esthetic dentistry