Tsutomu (Tom) Miyasaka received his Doctor of Engineering from The University of Tokyo in 1981. He joined Fuji Photo Film, Co., conducting R&Ds on high sensitivity photographic materials, lithium-ion secondary batteries, and design of an artificial photoreceptor, all of which relate to electrochemistry and photochemistry. In 2001, he moved to Toin University of Yokohama (TUY), Japan, as professor in Graduate School of Engineering to continue photoelectrochemistry. In 2006 to 2009 he was the dean of the Graduate School. In 2004 he has established a TUY-based company, Peccell Technologies, serving as CEO. In 2005 to 2010 he served as a guest professor at The University of Tokyo.

His research has been focused to light to electric energy conversion involving photochemical processes by enhancing rectified charge transfer at photo-functional interfaces of semiconductor electrodes. He has contributed to the design of low-temperature solution-printing process for fabrication of dye-sensitized solar cells and solid-state hybrid photovoltaic (PV) cells. Since the discovery of the organic inorganic hybrid perovskite as PV material in 2006 and fabrication of high efficiency PV device in 2012, his research has moved to R&Ds of the lead halide perovskite PV device. He has promoted the research field of perovskite photovoltaics by organizing international conferences and by publishing many papers on enhancement of PV efficiency and durability, overall citation number of which is reaching more than 5,000 times. In 2009 he was awarded a Ministry of Science & Education prize on his achievements of green sustainable solar cell technology. In 2017 he received Chemical Society of Japan (CSJ) Award. He is presently directing national research projects funded by Japan Science and Technology Agency (JST) and Japan Aerospace Exploration Agency (JAXA).

Susanne Siebentritt is a physics professor and heads the laboratory for photovoltaics at the University of Luxembourg.

Her research interest is twofold: the electronic structure of semiconductors and thin film solar cells and the fundamental functioning and limitations of these devices. Her interest in thin film solar cells is kindled by the fact that they present the electricity source with the lowest carbon footprint.

She is the author of more than 210 peer reviewed publications and has an h-index of 40. In 2014 she received the FNR Outstanding Publication Award, together with three co-authors. In 2015 she was awarded the "Grand Prix en Sciences Physique – Prix Paul Wurth" of the Luxembourgish Institut Grand Ducal. She is a board member of applied research programmes for the energy transition: the Kopernikus project of the German Ministry of Education and Research and “Luxembourg in transition”. She serves on the editorial board of Physical Review Applied and of Solar RRL. She’s the head of the doctoral school in Science and Engineering at the University of Luxembourg.

Dr. Tao Chen is now a full professor at the Department of Materials Science & Engineering, University of Science & Technology of China (USTC). He obtained his PhD degree in 2010 from Nanyang Technological University (Singapore). During his PhD study, he received the “Chinese Government Award for Outstanding Self-financed Students Abroad”. In 2011, he moved to the Department of Physics of the Chinese University of Hong Kong working as a Research Assistant Professor. In 2015, he joined the Department of Materials Science & Engineering at USTC under a national innovation program. Dr. Chen has published 100 papers, some of them published in Nature Energy, Nature Communications, Energy and Environmental Science, Journal of the American Chemical Society and so on, he was also invited to contribute two book chapters, and to sit on the Editorial Board Member of Journal of Semiconductors (2016-). 

Shogo Ishizuka is currently the group leader of the Compound Thin-Film Materials Group (CTFM) of the Research Institute for Energy Conservation (iECO), the National Institute of Advanced Industrial Science and Technology (AIST), Japan. He received his Ph.D. from the University of Tsukuba in 2003, working with Prof. Katsuhiro Akimoto on the growth of oxide semiconductor thin films for solar cell applications, and started working on Cu(In,Ga)Se₂ (CIGS) thin film solar cells as a post doc at AIST. In 2004, he joined the Research Center for Photovoltaics (RCPV), AIST, as a research scientist and continued studying CIGS solar cells. From 2011-2012, he worked for the National Center For Photovoltaics (NCPV), National Renewable Energy Laboratory (NREL), USA, as a visiting scientist for one year. He became a senior researcher in 2010, a chief senior researcher in 2017, and the group leader in 2020. His research background is applied physics and materials science based on thin film technologies including film growth, device fabrication and characterizations. His current research interests include chalcogenide materials for thin-film photovoltaics and related applications.

Subodh Mhaisalkar is the Tan Chin Tuan Centennial Professor in the School of Materials Science & Engineering at the Nanyang Technological University (NTU), Singapore. Subodh is also the Executive Director of the Energy Research Institute @ NTU (ERI@N), a pan-University multidisciplinary research institute for innovative energy solutions. Prior to joining NTU in 2001, Subodh has over 10 years of research and engineering experience in the microelectronics industry and his areas of expertise and research interests includes semiconductor technology, perovskite solar cells, printed electronics, and energy storage. Subodh received his Bachelors’ degree from IIT-Bombay and his MS/Ph.D. degrees from The Ohio State University.

Dr. Edgardo Saucedo studied Chemical Engineering at the University of the Republic, Montevideo, Uruguay, and received his PhD in Materials Physic at the Universidad Autónoma de Madrid, Madrid, Spain in 2007 with a FPU fellowship. In 2007, he joined the Institut de Recherche et Développement sur l’Énergie Photovoltaïque IRDEP (Paris, France), with a CNRS associated Researcher fellowship, working in the development and optoelectronic characterization of CIGS low cost based solar cells. In 2009, he joined NEXCIS, a spin-off created from IRDEP, to further pursue their training in photovoltaic technology. In 2010, he joined the Solar Energy Materials and SystemsGroup at the Catalonia Institute for Energy Research (IREC) under a Juan de la Cierva Fellowship first (2010-2011) and a Ramon y Cajal Fellowship afterwards (2012-2016), with the aim to develop new low cost materials and processes for thin film photovoltaic devices. In 2020 he joined the Polytechnic University of Catalonia (UPC) to continuous his scientific and professorhip career.

He holds five patents and has authored or co-authored more than 215 papers in recognized international journals, including: Energy and Environmental Science, Advanced Materials, Adv. Energy Materials, Journal of the American Chemical Society, Chemistry of Materials, Progress in Photovoltaics: Research and Applications, Solar Energy Materials and Solar Cells, NanoEnergy, J. Mater. Chem. A,  J. Phys. Chem. C, etc. He has more than 350 contributions to the most important Congresses in Physics, Chemistry and Materials, and more than 35 invited talks around the world. He has been involved in more than 25 European and Spanish Projects (Scalenano, Inducis, Pvicokest, KestPV, Larcis, etc.), and he was the Coordinator of the ITN Marie Curie network Kestcell (www.kestcells.eu), the research and innovation project STARCELL (www.starcell.eu), and the RISE project INFINITE-CELL (www.infinite-cell.eu), three of the most important initiatives in Europe for the development of Kesterites. In 2019 he was granted with an ERC-Consolidator Grant by the European Research Council (SENSATE, 866018, 2020-2025), for the development of low dimensional materials for solar harvesting applications to be developed at UPC. Currently he is also the scientific coordinator of the European project SUSTOM-ART (952982), for the industrialization of kesterite for BIPV/PIPV applications.

He is frequently chairman and invited speakers in the most relevant Conferences in Photovoltaic (E-MRS, MRS, IEEE-PVSC, EUPVSEC, European Kesterite Workshop, etc.). He has supervised 11 PhD Thesis and is currently supervising 5 more. He has an h factor of 38 and more than 5000 citations. In 2020 he has been awarded with the ASEVA-Toyota Award for his contribution to the development of sustainable photovoltaic technologies using vacuum techniques (https://aseva.es/resolucion-de-los-primeros-premios-nacionales-de-ciencia-y-tecnologia-de-vacio-aseva-toyota/).

Yingping Zou is a full professor in Central South University (CSU). She received her Ph. D. degree from Institute of Chemistry, Chinese Academy of Sciences (ICCAS) in 2008 with Prof.Yongfang Li, then performed her postdoctoral research at Laval University from 2008 to 2010 with Prof.Mario Leclerc. She was an assistant professor in 2008 and promoted to full professor in Feb, 2014 in CSU. She did her visiting research in Stanford University from 2012 to 2014, in Stanford University. Currently her researches focus on the organic small molecules/polymers for high performance optoelectronic devices. She has published more than 170 peer-review papers including Nature Photonics, Joule, Nature Communications, J.Am.Chem.Soc, Adv Mater, etc. with more than 6000 citations and H index is 42, and she also obtained more than 10 Chinese invention patents and 3 PCT patents. More than 40 invited/plenary/keynote talks have been delivered. Recently she developed a new molecular strategy, based on this strategy, she obtained word-record NREL efficiency in organic solar cells for several times.