Trained as a science communicator, Arnaud Marsollier has spent the last 20 years in science outreach and communications. He started his career developing programmes for education within youth science associations in Paris covering astrophysics and space. He has worked for the French Association for Astronomy, the National Air and Space Museum and collaborated with the French Space Agency. Ten years ago, he joined CERN, the European Laboratory for Particle Physics. In 2014, he was appointed Head of Media Relations. He holds a Master’s degree in science communications.