Hannes Ertl has been a Member of the FIDIC-ITA Task Group 10 Member, which was responsible for the drafting of FIDIC's Conditions of Contract for Underground works (the Emerald Book) and was chairing the task groups activities for the preparation of the Contracts Guide and the reprint.
Hannes has 20 years of professional experience in site supervision, design, construction and contract management of Underground Works in different parts of the world (Asia, India, Arabia, Europe, North America, and South America). He has obtained his MSc in Engineering Geology from University of Graz/Austria, is a licensed Professional Engineer and a Professional Master of Mediation.