David Cahen is a Professor at the Weizmann Institute of Science. He received his B.Sc. in Chemistry and Physics at the Hebrew University of Jerusalem (HUJI) and his Ph.D. in Materials Research and Physical Chemistry from Northwestern University. He then joined the Weizmann Institute in 1976, where he started work on solar cells. Today, his research focuses on alternative, especially solar, energy sources, aiming to understand electronic transport across (bio)molecules, exploring how molecules can control such transport and looking for novel science in such systems and for possible relevance to solar cells.

David S. Ginley is a Research Fellow and Group Manager in the Process Technology Group, National Center for Photovoltaics at the National Renewable Energy Laboratory (NREL). He received his BS in Mineral Engineering Chemistry from the Colorado School of Mines and his Ph.D. in Inorganic Chemistry from MIT. He is also Past President of the Materials Research Society (MRS). His principal areas of interest are in the application of organic/polymer materials, transition metal oxides and hybrid inorganic/organic semiconductor-based nanomaterials to energy conversion and energy efficiency in the areas of photovoltaics, batteries, fuel cells and OLEDs. He has over 400 publications and 30 patents.