The institute has three departments, with each department consisting of several research groups, and sometimes additional project groups. The departments are: • Biogeochemical Processes (director:
Susan Trumbore) • Biogeochemical Signals (director: Sönke Zaehle) • Biogeochemical Integration (director: Markus Reichstein) The former department head and founding director, Ernst-Detlef Schulze, conducts research as head of the Independant Emeritus Group Carbon Balance, Ecosystem Research and Forest Management. The former department head Martin Heimann is an active member of the research project QArctic in the Department Biogeochemical Signals. == International Max Planck Research School for global Biogeochemical Cycles ==