Bertille débute sa carrière en 1994 chez Saatchi & Saatchi, comme planneur stratégique, puis deux ans plus tard elle intègre l'agence de publicité Callegari Berville, en tant que directrice du planning. Elle rejoint en 1999 CLM/BBDO au poste de directrice du développement. En 2003, elle est nommée directrice générale de Young & Rubicam, avant de revenir en 2006 chez CLM/BBDO au poste de vice-présidente, en charge de la stratégie. Depuis 2012, Bertille Toledano est vice-présidente executive de BETC Paris.
Bertille Toledano started her career in 1994 at Saatchi & Saatchi.
She worked in several global ad agency networks, Saatchi&Saatchi, Young & Rubicam and BBDO where she has always occupied strategic positions: Strategic planning, Development Director (CLM/BBDO), Strategic Planning Director (Young & Rubicam Paris), Managing Director and Vice President in charge of strategy and development (CLM/BBDO).
Bertille joined BETC in 2012 as Vice-President and was appointed President in February 2013.
She played a major role in the transformation and development of the agency, particularly in the development of brands such as Air France, Bouygues Telecom, E. Leclerc, CANAL+, Citroën, Michelin and Lacoste. For the latter she played an essential role in the success of the 2018 « Save our Species » campaign which replaced the famous brand crocodile with endangered species.
In 2017 Bertille featured on the Ad Age Women to Watch list.
In 2019, Bertille was named President of BETC France (BETC Paris, BETC Digital, BETC Etoile Rouge, BETC Design, BETC Corporate, General Pop, Magasins généraux).