César Domínguez, PhD is an associate professor at the Department of Electrical and Electronic Engineering, Automatic Control and Applied Physics of the Universidad Politécnica de Madrid. He is a member of the Instituto de Energía Solar of the same university, where he conducts research on novel high-efficiency photovoltaic (PV) concepts able to reduce the cost of solar electricity, notably through the design, prototyping and characterization of concentrator (CPV) and micro-CPV concepts. He obtained his PhD on photovoltaic solar energy in 2012 at the Solar Energy Institute (Outstanding Doctorate Award from the same university). His PhD thesis demonstrated for the first time a production-line solar simulator for CPV modules, whose IP was subsequently commercialized through two Spanish companies. The simulator has been installed in more than 10 international CPV companies and research laboratories in America, Asia and Europe.  Dr. Domínguez gained international research experience during 2 years as a research engineer and project manager at the Institut National de l'Énergie Solaire (INES) of the Commissariat à l'énergie atomique et aux énergies alternatives (CEA) in France, where he initiated a research line on micro-CPV systems. There he led the design of a novel micro-CPV module, of which he holds a patent already granted in France and under extension to Taiwan, Canada and the USA. He has carried out research stays at Fraunhofer Institute for Solar Energy Systems (Germany), the CPV company Solfocus (at the Palo Alto Research Center, in California) and MIT (MA,USA). His R&D work in more than 25 competitive project from public calls and more than 20 private projects has granted him 3 European patents (of which 1 granted in USA as well). Furthermore, he has been co-Principal Investigator for two public projects funded by the Programa Estatal and for one funded by European H2020 with 1 M€ UPM grant. He is an active member of the CPV scientific community: Publication Chair for the International Conference on Concentrator Photovoltaics CPV-17 and Program Chair for CPV-15, a member of its Program Committee and Publication Committee in the CPV-11 and CPV-14 editions, respectively. He was the Program Chair of the 2014 Optics for Solar Energy conference organized by the Optical Society of America in Canberra, Australia and has been a regular member of its Program Committee between 2010 and 2015. He has been an international thesis committee member for six thesis dissertations on CPV; reviewer for the 7th edition of the World Conference on Photovoltaic Energy Conversion (WCPEC-7) and most of the main scientific journals dealing with photovoltaics; invited as an expert independent reviewer for public R&D calls of MIT-MISTI, Spanish Plan Nacional, Junta de Andalucía and the Canadian research-funding agency Mitacs; invited editor for a focus issue of the high-impact journal Optics Express and a collaborator of the Technical Committee 82–WG7 of the International Electrotechnical Commission for the development of CPV standards. He has been invited to speak in 6 different international conferences and workshops and has contributed to 26 articles in JCR scientific journals (21 Q1), two book chapters in the main handbooks on the CPV technology (eds. Wiley and Springer) and >85 works presented to international conferences, which cumulate 1.5k citations for an h-index of 18 according to Google Scholar