Silke Weigang has consulted to managers in all ranks of Agfa-Gevaert, Bayer, Bavarian Ministries including The Bavarian State Chancellery, EADS, Ericsson, The European Patent Office, Faurecia as well as TI-Automotive, MEGA, Metro Group, OBI, Swiss(air), Thompson & TUI and Thüga, United Nations (FAO, WFP) among others.