Tyagi joined the Chemistry Division, Bhabha Atomic Research Centre (BARC), in 1986 through the BARC Training School. He obtained his PhD in 1992, then did postdoctoral research at Max Planck Institute, Stuttgart, Germany (1995–96). Presently, he is Dean and Senior professor at HBNI, Mumbai; and honorary professor at JNCASR, Bengaluru. His research interests are in the field of nanomaterials, and also functional, metastable, and hybrid materials. He has published about 680 papers in international journals and 15 books and supervised 38 students for their PhD. He has received many prestigious awards including the DAE-Homi Bhabha Science and Technology Award, MRSI Medal; MRSI-ICSC Materials Science Senior Award; MRSI-CNR Rao Prize in Advanced Materials; CRSI Bronze Medal; CRSI-CNR Rao National Prize in Chemical Sciences; CRSI-Silver Medal; Rajib Goyal Prize in Chemical Sciences; Metallurgist of the Year award from Ministry of Steel, GoI; National Prize in Solid State and Materials Chemistry; ISCA Acharya PC Ray Memorial Award and NETZSCH – ITAS Award by Indian Thermal Analysis Society and Vigyan Shri award from Government of India.

Singhal earned her PhD in 1990 from the Institute of Chemical Technology, Mumbai, India, where she is now a professor. She received fellowships from the Indian National Science Academy, Indian National Academy of Engineering, National Academy of Sciences India, International Bioprocessing Association, and Association of Food Scientists and Technologists (India). She was a member of scientific panels and working groups, FSSAI, Government of India, and a member of the subject expert committee of national bodies of the Government of India, including BIRAC, DST, UGC, DBT, and TDB. She is a project evaluator for the European Science Foundation, was an associate editor with Carbohydrate Polymers, and is an associate editor with Sustainable Food Technology. She was a chairperson, Research Council, CSIR-CFTRI, and is a former member of the Research Council, CSIR-NIIST. She is a subject expert with the National Board of Accreditation and works in interdisciplinary areas encompassing chemical sciences, in particular, food chemistry, biological sciences, and engineering sciences, where she works with separation techniques, using supercritical carbon dioxide and chromatography.

Pant earned his PhD from Jeonbuk National University, South Korea, in 2011. He is a pioneering chemist of Nepal and made a significant contribution towards fabricating advanced polymer and ceramic nanomaterials that have potential applications in the biomedical field and environmental remediation. His research on nanotechnology for the fabrication of hierarchical nanomembrane and nanoparticles using top-down and bottom-up approaches has greatly enhanced global knowledge in the field of advanced nanomaterials. He has been teaching and doing research for three decades, becoming a leader in the materials science and engineering discipline. Pant has published 88 SCI/SCIE-ranked journal articles and has 5,400 citations with h-index=43. He has more than 100 conference proceedings and non-ranked journal publications and is the author of 14 books and book chapters in chemistry and materials science. He is the editor of four SCI/SCIE journals and the reviewer of about 60 ranked journals. Currently, Pant is working as vice-chancellor of Far Western University, Nepal.

Nagendra is the director of the School of Climate Change and Sustainability, Azim Premji University, in Bangalore, India. Her research covers forest conservation and urban sustainability. Her interdisciplinary work on forests combines remote sensing, biodiversity and institutional analysis, to elucidate the pattern-process link in human-dominated tropics. Her urban research spotlights city commons and ecosystems, to determine the resilience and wellbeing of the poor in the global South. Her awards include an honorary doctorate from Utrecht University in 2025, the 2009 US National Academy of Sciences Cozzarelli Prize, 2013 Elinor Ostrom Senior Scholar award, and 2017 Clarivate Web of Science award. She is a well-known public speaker and writer, whose books include Nature in the City: Bengaluru in the Past, Present and Future; Cities and Canopies: Trees of Indian Cities; Shades of Blue: Connecting the Drops in India’s Cities, and Bangalore Detectives Club series. She was a lead author of IPCC AR5, and is on the scientific committee of the Future Earth Program for Ecosystem Change and Society, and the Advisory Board of WRI Ross Cities, Future Earth Urban KAN, and EIT Climate KIC.