James Durrant is Professor of Photochemistry in the Department of Chemistry, Imperial College London and Ser Cymru Solar Professor, University of Swansea. His research addresses the photochemistry of new materials for solar energy conversion targeting both solar cells (photovoltaics) and solar to fuel (i.e.: artificial photosynthesis. It is based around employing transient optical and optoelectronic techniques to address materials function, and thereby elucidate design principles which enable technological development. His group is currently addressing the development and functional characterisation of organic and perovskite solar cells and photoelectrodes for solar fuel generation. More widely, he leads Imperial's Centre for Processable Electronics, founded the UK�s Solar Fuels Network and led the Welsh government funded S�r Cymru Solar initiative. He has published over 500 research papers and 5 patents, and was recently elected a Fellow of the Royal Society

Sang Il Seok is a Distinguished Professor in the Department of Energy and Chemical Engineering at the Ulsan National Institute of Science and Technology (UNIST) in Korea. He obtained his Ph.D. in the Department of Inorganic Materials Engineering from Seoul National University in Korea. After completing his Ph.D., he worked as a postdoctoral researcher at Cornell University in the USA, where he investigated defects and transport in the Fe-Ti-O Spinel structure. He also experienced a visiting scholar at the University of Surrey in UK in 2003 and École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland in 2006. Prior to joining UNIST in 2015, he served as the principal investigator of the Korea Research Institute of Chemical Technology (KRICT) and as a professor at the Department of Energy Science at Sungkyunkwan University. He is a highly cited researcher, selected by Clarivate Analytics since 2018, and has published over 200 peer-reviewed papers, including three Nature and seven Science articles as a corresponding author. He has received several awards for his excellence, such as the "Korean Scientist Award" from the Korean government in 2017, and the Kyung-Ahm Prize in 2019. In 2022, he was awarded the Rank Prize, recognized as one of the seven scientists pioneering in perovskite solar cells. His research focuses on functional inorganic-organic hybrid materials and devices, particularly on perovskite solar cells.

Juan Bisquert (pHD Universitat de València, 1991) is a Professor of applied physics at Universitat Jaume I de Castelló, Spain. He is the director of the Institute of Advanced Materials at UJI. He authored 360 peer reviewed papers, and a series of books including . Physics of Solar Cells: Perovskites, Organics, and Photovoltaics Fundamentals (CRC Press).  His h-index 95, and is currently a Senior Editor of the Journal of Physical Chemistry Letters. He conducts experimental and theoretical research on materials and devices for production and storage of clean energies. His main topics of interest are materials and processes in perovskite solar cells and solar fuel production. He has developed the application of measurement techniques and physical modeling of nanostructured energy devices, that relate the device operation with the elementary steps that take place at the nanoscale dimension: charge transfer, carrier transport, chemical reaction, etc., especially in the field of impedance spectroscopy, as well as general device models. He has been distinguished in the 2014-2019 list of ISI Highly Cited Researchers.

Christopher Case is the Chief Technology Officer at Oxford PV, a spin-out of Oxford University (UK) that is commercialising perovskites for tandem solar cell applications. Most recently, he was the Chief Technology Officer for Linde Electronics, a gas and equipment supplier and the former Chief Scientific Officer of The BOC Group (UK). A long time chair of the International Technology Roadmap for Semiconductors, he spent 10 years at AT&T Bell Labs in Murray Hill, NJ (US). He was an assistant professor of engineering at Brown University and director of the Thin Film Institute. He was a Fulbright-Hays scholar at the Université de Bordeaux and holds a Ph.D. degree in materials science from Brown University where he studied thin film chalcopyrite photovoltaic materials.

Maksym Kovalenko has been a tenure-track Assistant Professor of Inorganic Chemistry at ETH Zurich since July 2011 and Associate professor from January 2017. His group is also partially hosted by EMPA (Swiss Federal Laboratories for Materials Science and Technology) to support his highly interdisciplinary research program. He completed graduate studies at Johannes Kepler University Linz (Austria, 2004-2007, with Prof. Wolfgang Heiss), followed by postdoctoral training at the University of Chicago (USA, 2008-2011, with Prof. Dmitri Talapin). His present scientific focus is on the development of new synthesis methods for inorganic nanomaterials, their surface chemistry engineering, and assembly into macroscopically large solids. His ultimate, practical goal is to provide novel inorganic materials for optoelectronics, rechargeable Li-ion batteries, post-Li-battery materials, and catalysis. He is the recipient of an ERC Consolidator Grant 2018, ERC Starting Grant 2012, Ruzicka Preis 2013 and Werner Prize 2016. He is also a Highly Cited Researcher 2018 (by Clarivate Analytics).

Professor Kwanghee currently leads research and development program of organic solar cells in Gwangju Institute of Science and Technology (GIST) as a director of the Research Institute of Solar and Sustainable Energies (RISE). He is also appointed as a “Distinguished Professor” of the School of Materials Science and Engineering of GIST. Dr. Lee started his professorship at Pusan National University in 1997 after finishing his Ph.D. and Post-Doc at the University of California Santa Barbara (UCSB). Then he moved to GIST in 2007 and have organized and acted as a co-director of the Heeger Center for Advanced Materials (HCAM) together with the director, Professor Alan J. Heeger, who is a 2000 year Nobel Laureate in Chemistry. Now Dr. Lee is a leading scientist in the area of “plastic electronics” including organic solar cells, polymer LEDs, and organic FETs. Dr. Lee finished his B.S. in Nuclear Engineering at Seoul National University and M.S. in Physics at KAIST. Then he earned his Ph.D. in Physics at UCSB (USA) under the guidance of Prof. Heeger with a subject of metallic and semiconducting polymers.

Thuc-Quyen Nguyen is a professor in the Center for Polymers and Organic Solids and the Chemistry & Biochemistry Department at University of California, Santa Barbara (UCSB). She received her Ph.D. degree in physical chemistry from the University of California, Los Angeles, in 2001 under the supervision of Professor Benjamin Schwartz. Her thesis focused on photophysics of conducting polymers. She was a research associate in the Department of Chemistry and the Nanocenter at Columbia University working with Professors Louis Brus and Colin Nuckolls on molecular self-assembly, nanoscale characterization and molecular electronics. She also spent time at IBM Research Center at T. J. Watson (Yorktown Heights, NY) working with Richard Martel and Phaedon Avouris. Her current research interests are structure-function-property relationships in organic semiconductors, sustainable semiconductors, doping in organic semiconductors, interfaces in optoelectronic devices, bioelectronics, and device physics of OPVs, photodetectors, and electrochemical transistors. Recognition for her research includes 2005 Office of Naval Research Young Investigator Award, 2006 NSF CAREER Award, 2007 Harold Plous Award, 2008 Camille Dreyfus Teacher Scholar Award, the 2009 Alfred Sloan Research Fellows, 2010 National Science Foundation American Competitiveness and Innovation Fellows, 2015 Alexander von Humboldt Senior Research Award, 2016 Fellow of the Royal Society of Chemistry, 2015-2019 World’s Most InfluentialScientific Minds; Top 1% Highly Cited Researchers in Materials Science by Thomson Reuters and Clarivate Analytics, 2019 Fellow of the American Association for the Advancement of Science (AAAS), 2023 Wilhelm Exner Medal from Austria, 2023 Fellow of the US National Academy of Inventors, 2023 de Gennes Prize in Materials Chemistry from the Royal Society of Chemistry, 2023 Elected Member of the US National Academy of Engineering, 2024 Fellow of the European Academy of Sciences, and 2025 ACS Henry H. Storch Award in Energy Chemistry.

Hiroshi Segawa (born 1961) is a professor at Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Japan. He obtained his Ph.D. in Molecular Engineering from Graduate School of Engineering of Kyoto University in 1989 and was Research Associate (1989-1995) at the division of Molecular Engineering of Graduate School of Engineering at Kyoto University. He held an additional researcher post (1994-1997) of PRESTO project of Japan Science and Technology Agency (JST). In 1995 he joined the University of Tokyo as Associate Professor of Department of Chemistry at Graduate School of Arts and Sciences. From 1997 he has also been in charge of Department of Applied Chemistry at Graduate School of Engineering. In 2006 Professor Segawa joined the three faculties of RCAST, Department of Chemistry at Graduate School of Arts and Sciences, and Department of Applied Chemistry at Graduate School of Engineering at the University of Tokyo. In 2010, he was appointed director of Academic-Industrial Joint Laboratory for Renewable Energy of RCAST. Currently he is one of core researcher of FIRST Program (Funding Program for World-Leading Innovative R&D on Science and Technology) which is selected top 30 researchers with highest potential from various science fields by Cabinet office, Government of Japan. He is one of the experts in the field of electrochemical solar cells. His research group are focused on construction of photo-energy conversion system. Currently the object is the efficiency enhancement of the meso-structured solar cells. Additionally, he is developing an energy-storable dye-sensitized solar cell.

Giulia is Associate Professor at Physical Chemistry Unit at University of Pavia, leading the PVsquared2 team, and running the European Grant ERCStG Project “HYNANO”aiming at the development of advanced hybrid perovskites materials and innovative functional interfaces for efficient, cheap and stable photovoltaics. Within this field, Giulia contributed to reveal the fundamental lightinduced dynamical processes underlying the operation of such advanced optoelectronic devices whose understanding is paramount for a smart device development and for contributing to the transition of a green economy.

Giulia received an MS in Physical Engineering in 2008 and obtained her PhD in Physics cum laude in 2012 at the Politecnico of Milan. Her experimental thesis focused on the realisation of a new femtosecond-microscope for mapping the ultrafast phenomena at organic interfaces. During her PhD, she worked for one year at the Physics Department of Oxford University where she pioneered new concepts within polymer/oxide solar cell technology. From 2012-2015, she was a post-doctoral researcher at the Italian Institute of Technology in Milan. In 2015, she joined the Ecole Polytechnique Fédérale de Lausanne (EPFL) with a Co-Funded Marie Skłodowska-Curie Fellowship. From 2016 to 2019, she has been awarded by the Swiss Ambizione Energy Grant providing a platform to lead her independent research group at EPFL focused on the developemnt of new generation hybrid perovskite solar cells.

She is author of 90 peer-reviewed scientific papers bringing her h-index to 44 (>13’000 citations), focused on developement and understanding of the interface physics which governs the operation of new generation solar cells.

Recently, she received the USERN prize in Physical Science, the Swiss Physical Society Award in 2018 for Young Researcher and the IUPAP Young Scientist Prize in Optics. She is currently USERN Ambassador for Italy and board member of the Young Academy of Europe.

More can be found at https://pvsquared2.unipv.it.

Weblink: https://people.epfl.ch/giulia.grancini?lang=en

Professor Anita Ho-Baillie is the John Hooke Chair of Nanoscience at the University of Sydney, an Australian Research Council Future Fellow and an Adjunct Professor at University of New South Wales (UNSW). Her research interest is to engineer materials and devices at nanoscale for integrating solar cells onto all kinds of surfaces generating clean energy. She is a highly cited researcher since 2019. In 2021, she was an Australian Museum Eureka Prize Finalist and was named the Top Australian Sustainable-Energy Researcher by The Australian Newspaper Annual-Research-Magazine. She won the Royal Society of NSW Warren Prize in 2022 for her pioneering work in the development of next generation solar cells. She has been a finalist for the Australian Space Awards for various categories in 2023 and 2024. In 2024, she is the recipient of the Australian Academy of Science Nancy Millis Medal. She is a Fellow of the Australian Institute of Physics, the Royal Society of New South Wales and the Royal Society of Chemistry.

Leite is an Associate Professor in Materials Science and Engineering at UC Davis. Her group investigates materials for energy harvesting and storage, from their nano-scale structural, electrical, and optical properties to their implementation in devices. Before joining UC Davis, Leite was an associate professor at the University of Maryland, she worked for two years at NIST and was a post-doctoral scholar at Caltech (Department of Applied Physics and Materials Science). She received her PhD in physics from Campinas State University in Brazil and the Synchrotron Light Source Laboratory. Leite's work has been recognized on the cover of ~30 scientific journals, by the presentation of >140 invited talks, by the 2016 APS Ovshinsky Sustainable Energy Fellowship from the American Physical Society (APS) and the 2014 Maryland Academy of Sciences Outstanding Young Scientist Award. Leite’s research has been funded by the National Science Foundation (NSF), the Army Research Office (ARO), the Defense Advanced Research Projects Agency (DARPA), etc.