Mechanical Engineering Studies at Technical University of Braunschweig /  Germany and University of Waterloo in Canada; Ph D. at ETH Zurich in Switzerland.

Project and senior engineer at HBI Haerter Consulting Engineers in Switzerland for more than 20 years and expert on ventilation, aerodynamics, tunnel environmental control, safety and mechanical equipment of underground rail and metro systems.

Has been in design of projects such as Gotthard and Loetschberg Base Tunnel in Switzerland, Guadarrama Tunnel in Spain, Transandino Rail Tunnel in Chile/Argentina, Downtownline of Metro Singapore, Stage 1 of Doha Metro, Lot 4 of expansion of Delhi Metro, Line 1 of Metro Panama.