After studying Communication and following an M.A course in « Culture-related Trades » at Lille III University, Clémence Casses joined the company « Léda », run by choreographer Maud Le Pladec, as Production and Administrative Attaché. She also worked alongside the choreographer Simon Tanguy in setting up his company, « Propaganda C » and accompanied him during his first year in activity.

After spending two years in Rennes, Clémence Casses returned to the Paris region to work as a Production Attaché for Philippe Decouflé. She then went on the Contact performance tour for ten months. Afterwards, Clémence replaced the administrator who was absent on maternity leave, for the « Blues sur Seine » (Yvelines) Festival.

Between March 2017 and September 2018, Clémence Casses has been working as an adminstrator for choreographer Gaëlle Bourges/Os Association and for the choreographer Herman Diephuis.