The participants of the Circular Valley Forum include Nanette Braun from the United Nations, Christian Kullmann (Evonik), Gunther Adler (Autobahn GmbH des Bundes), Dr. Jürgen Tzschoppe (Statkraft Norway), Henrik Ahlers (Ernst & Young Germany), Rolf Buch (Vonovia), Marc Ehrhardt (BASF Corporation USA), Prof. Dr. Manfred Fischedick (Wuppertal Institute), Prof. Dr. Walter Leitner (Max Planck Institute), Heike Prinz (Henkel), Prof. Dr. Lambert T. Koch (German University Association), Surendra Patawari (Gemini Corporation Belgium/India), Patrick Wendeler (BP Europe) and Sir Tony Cragg.