Arunabh Sahai is a Chemical Engineer with A diverse and enriching work experience of more than 17 years having expertise in Grey / Blue Hydrogen technologies and Hydrogen value chain working in different responsibilities as Principal Scientist, Lead engineer, Proposal engineer, Commissioning manager and Technology specialist. He is presently working as a principal scientist in Haldor Topsoe India Pvt. Limited, technology development group, with the focus towards technological development of blue syngas & chemicals using Topsoe’s syncor™ technology and sustainable aviation fuel using Topsoe’s e-reactor™ technology. He has filed around 8 patents during his R&D tenure in the area of blue hydrogen generation.