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Cecilia has 15 years' experience in brand strategy, industry trends and innovation with a broad range of clients, such as Heineken, Renault and McDonald's. Today she is the agency's strategy and development leader, and runs the blackbox bureau, which is dedicated to research and innovation projects. A graduate of the Sorbonne CELSA School of Journalism in Paris, since 2008 she has been teaching there, in a subject that means constantly renewing and questioning herself.

A foodie, both clients and the agency benefit from her passion, as she shares with us the best eating spots she discovers.


Cécilia TASSIN
Partner - Strategy and Development
blackbox Manager

Over the last 25 years, Ruta has criss-crossed Europe. After starting with Peter Schmidt in Hamburg, she worked with Dragon Rouge then Landor Paris, before taking the creative lead for Designboard in Brussels. Back in France, she contributed to the Hinsdale relaunch before joining blackandgold. This multicultural career path has built up a strong expertise in international brands, from Milka to Coca-Cola.


Rational and inspired, Ruta bases her approach to creative excellence on an imperative of strong content. As a dance and modern art enthusiast, she likes to dive into the effervescence of Berlin every year to recharge her batteries.


Partner - Creative

After graduating from Sciences Po Lille and Celsa, Vadim began his career in journalism before joining the world of advertising as a planner. At BETC, CLM and Wunderman, he worked with clients such as LVMH, Mars, Danone or Pernod on their various strategical challenges, from branding to communication all the way to product innovation.


And because eating and reading are his two main passions, he dedicates his free-time to coining the perfect French translation of the word “food”.


A cyclist on weekdays and week-ends, it’s on the roads of the region that he keeps the wheels turning.


Vadim Poulet
Senior Strategic Planner

A Celsa graduate, Joséphine spends 6 months in Seoul, before joining blackandgold as a Junior strategic planner


Passionate about K-Pop culture and Korean soft power, Joséphine is half English, and brings her writing skills and sharp analytic eye to the international projects at the agency.


Joséphine Gray
Junior Strategic Planner

After graduating in Sociology at University Paris Descartes, Clara starts her carrier in the Consumer Insight team at L’Oréal Garnier DMI. She then joins Colorado Group research firm. She works as research executive then research manager for 4 years, and gorws her skills in both qualitative and quantitative research, for clients of BtoC and BtoB industries, including retail, banking and cosmetics.


Elle joins blackbox in 2019 as Research Manager.


Passionate about DIY, she uses her skills and sense of method to tackle the agency challenges.


Clara Firminhac
Research Manager