Together with Christine Boisney, he is the founder of the Temple du Swing.

A swing enthusiast, Lionel has been sharing his passion for teaching and practicing Be-Bop in Saint-Germain-des-Près for over 40 years. A pioneer in this field, he has trained many dancers, including Lena, and has participated in numerous jazz festivals and shows (both on stage and on TV). He also founded the Compagnie des Rats de Cave.