Dr. Atsushi Ishikawa is a Senior Researcher in the Energy Conversion Department at IHI Corporation, Tokyo, Japan, with nearly two decades of industrial research experience. His expertise lies in thermal energy storage, fluidized bed systems, flow regulation, and energy conversion technologies relevant to large-scale power and industrial applications. He is the first author of a peer-reviewed journal article published in Processes (MDPI), focusing on robust flow regulation using combined orifice and J-valve systems in circulating fluidized bed thermal energy storage, conducted in collaboration with international researchers. His work integrates fundamental engineering principles with practical system design, contributing to improved efficiency, stability, and safety of advanced energy systems. Through interdisciplinary collaboration between academia and industry, his research supports the development of sustainable energy infrastructure and advances technologies with direct societal and environmental impact.