Dear colleagues, We are happy to announce the Solvay workshop on "Dynamics on Biological systems: Modelling genetic, signalling and microbial networks", which will take place in Brussels from 2-4 May 2018. Registration is free of charge but required (limited number of places). We also encourage attendees to present a poster. More information can be found here: http://www.solvayinstitutes.be/event/workshop/dynamics_2018/dynamics_2018.ht... Please do not hesitate to diffuse this announcement. We look forward to welcoming you in Brussels in May 2018. Best regards, The Organising Committee: Geneviève Dupont (ULB, Brussels, Belgium) Karoline Faust (KU Leuven, Belgium) Claude Gérard (UCL, Louvain, Belgium) Didier Gonze (ULB, Brussels, Belgium) Jean-Christophe Leloup (ULB, Brussels, Belgium)