Peter Fraenkel is a founder and Technical Director of Marine Current Turbines Ltd, a company that is pioneering the development of tidal stream power systems. He is a chartered mechanical engineer with experience in aviation in the U.K. and copper mining and processing in Africa. He has worked on renewable energy technologies since the mid-1970s, starting with ITDG and later with IT Power, a renewable energy consultancy, particularly in the field of small-scale wind technology, small hydro and solar photovoltaic systems.