Dieter Rehfeld is born in 1956 and studied economy at the University of Bielefeld. He has worked in several functions in municipal politics e.g. the City Council of Düsseldorf where he was Head of the Department “Controlling” and the City Council of Aachen where he was Deputy Mayor for HR and Organisation. From 2003 to 2011 he was appointed Managing Director of “regio iT aachen GmbH” after the association with ”INFOKOM Gütersloh AöR” he became President of the Management Board of the new “regio iT”. Dieter Rehfeld is married and lives with his family in Aachen. He is a professional experts on the topics eGovernment and blockchain, accompanying the MPA-ES as an external speaker.