He has worked throughout the world specialising in energy policy analysis and evaluation of clean energy technologies for both public bodies such as the European Commission and World Bank and for large commercial companies. Kenna resigned as chief executive of Camco in 2009 and is currently non-executive chairman and working on several new clean energy initiatives. Peter Fraenkel is a mechanical engineer with long experience of renewable energy systems and the author of many books and articles on wind, hydro, and tidal energy. He is a leading authority on water pumping technologies for developing country applications and was a founder and Director of I.T. Power from 1981 to 2000.