Baptiste LEGRAND is a post-doctoral researcher at ISAE-SUPAERO. After earning his aeronautical engineering degree at ESTACA in 2021, he spent a year in industry designing aircraft powertrain systems. Seeking to deepen his expertise, he transitioned to academia to research propulsion architectures. He completed his PhD in electrical and aeronautical engineering from Université Marie et Louis Pasteur in 2025. To date, he authored two peer reviewed publications on aircraft design and energy management. His research focuses on aircraft powertrain design, hybrid energy systems, hydrogen technologies for airborne applications and energy management.