Krzysztof Ejsmont is an assistant professor at the Faculty of Mechanical and Industrial Engineering at the Warsaw University of Technology (WUT). He obtained his Ph.D. in management science from the WUT. His primary expertise is in operations management, industrial engineering, and sustainable manufacturing. His current research focuses on the dependencies of sustainability and Industry 4.0 and the assessment of intelligent technologies (e.g., IoT) and AI applications in manufacturing and energy. His teaching responsibilities include tutorials on knowledge-based representations of manufacturing systems. He participated in several international R&D projects, including ones funded by the EU (E-SCOP and KITT4SME) and in the H2020 project “Platform Enabled KITs of Artificial intelligence for an Easy Uptake by SMEs–KITT4SME” (project number 952119). He coordinated a global research project, “Industry 4.0 in Production and Aeronautical Engineering” (WUT + 10 partners from Europe, USA, Japan, Australia, and South Korea). He has many publications in journals with IFs and CiteScores (Journal of Cleaner Production, Alexandria Engineering Journal, Egyptian Informatics Journal, IEEE Access, Energy Reports, Packaging Technology and Science, Science Progress, Cogent Business & Management, Energies, Sustainability, Resources). He is an active participant in international conferences, a guest editor of special issues in EPPM-Journal and Energies, and a reviewer in many prestigious journals.