Gianne Derks is co-organiser of a week-long workshop on Mathematical Pharmacology, held at the Lorentz Center in Leiden, the Netherlands, from 20 November to 4 December. The other organisers are Pinky Dua (Cambridge), Piet Hein van der Graaf (Leiden), Coen van Hasselt (Leiden), and Vivi Rottschafer (Leiden). The workshop brings together mathematicians and pharmacologists from academia and industry, to study the emerging field of systems pharmacology. A link to the website with background, programme, and list of participants can be found here.