Several members of the MONC team are joining the workshop on present challenges of mathematics in oncology and the biology of cancer, organized in Marseille, France, by a committee led by Florence Hubert. Two of the MONC members, Thierry Colin (team leader) and Sébastien Benzekry, are invited speaker at the conference, while several of the PhD students of the team (including Etienne Baratchart, Perrine Berment, Agathe Peretti, Thomas Michel and Thibaut Kritter) will present posters on their recent work.