Udo Hahlbrock, diplom. Engineer, studied mechanical engineering and marine technology at Technical University Hannover, Germany. From 1973-1983 he was responsible for the development of dredging and deep-sea mining systems at O&K Orenstein & Koppel AG, Lübeck, Germany. For a period of two years he was then sales manager at Menck GmbH, Hamburg, for offshore pile driving and foundation engineering. In 1985 he founded Hahlbrock Marine Technology (HMT).