Umbrex is pleased to welcome Berthold Hannes with Dr. Hannes Consulting. Berthold spent 15 years with A.T. Kearney in the Munich and Duesseldorf offices, leading A.T.Kearney’s Utility practice in Germany, Switzerland and Austria for many years. He was also a member of the European and global Utility practice leadership team. From 2006 until 2013 he was a Bain & Company partner in the Duesseldorf office, leading the Utility practice in GSA. In 2014 he started his own consulting business, based…