Dr R. Geetha Balakrishna obtained her PhD in 2005 and worked in various capacities from Lecturer to Professor in fewer than a couple of Universities in Bangalore, India. She is now a Full-Professor and Director of Centre for Nano and Material Sciences, Jain (Deemed-to-be) University, India. Her research involves biofuel, photovoltaics and sensing applications. She is one of the founding directors and CEO of a start-up firm GreenChem Nano Pvt. Ltd, which focuses on the biodiesel technologies. She is a recipient of Nehru-Fulbright Award'17 for Academic and Professional Excellence, Dr Kalpana Chawla Award'20 by Govt. of Karnataka, India, and UAE Global Water Award'22 for her innovation in atmospheric water-harvesting technology.

Dr. Sakar Mohan obtained his PhD in 2015. Later, he moved to Laval University, Canada for his postdoctoral research. He joined as an Assistant Professor in Centre for Nano and Material Sciences, Jain (Deemed-to-be) University, India in 2017. He is one of the founding directors of the start-up firm GreenChem Nano Pvt. Ltd. His research includes photocatalysis, biofuel and membrane separation.

Dr Tamer Zaki obtained his PhD in 2002 and worked in various capacities from Assistant Researcher to Professor in Egyptian Petroleum Research Institute (ERPI), Egypt. He is now a Full-Professor and Supervisor for the catalyst characterization laboratory in EPRI and Assistant of Chairman of the Board of Directors of EPRI-Central Laboratories. His research interests include the development of nanostructured heterogeneous catalysts and related applications in biofuel, petroleum refining, natural gas processing and petrochemical reactions.

Revisiting the Field of Biodiesel: An Overview;Overview of Feedstock for Biodiesel Production;Edible Oil-based Feedstock;Non-edible Vegetable Oil: A Viable Alternative for Biodiesel Production;Industry Waste-based Feedstocks;Algae-based and Other Emerging Neat/Modified Feedstocks;Overview of Biodiesel Production Processes;Developments in Homogeneous Catalytic Processes;Development of Heterogeneous/Nanocatalysts in Biodiesel Production;Developments in Biocatalytic Processes for Biodiesel Production;Non-catalytic Processes for Biodiesel Production;Overview and Testing of Fuel Properties of Biodiesel;Blending Strategies and Properties of Biodiesel;Organic/Natural Additives for Biodiesel;Inorganic and Nanoadditives for Biodiesel;Computational Approaches to Biodiesel Production Process and Optimization: Neem Oil Methyl Esters as an Example