Brian Vejrum Wæhrens is a Professor at the Department of Materials and Production, Aalborg University, Denmark. He leads research in circular economy, Industry 4.0, and sustainable manufacturing systems. His work focuses on supply chain innovation, digital transformation in production, and closing material loops through advanced manufacturing technologies. Key Affiliations: Center for Industrial Production, The Faculty of Engineering and Science Projects: CIFA (Circular Factory), AAU Circular Plastics, CYCLES (Plastic Economy Transition) Research Interests: Circular Economy strategies, digital product passports, closed-loop manufacturing systems, and Industry 4.0 applications in SMEs. His work bridges theoretical frameworks with practical implementation in Danish manufacturing sectors. Publications emphasize case studies in smart production systems, automated robotics, and supply chain resilience. He actively engages with industry through advisory roles and has contributed to Danish policy discussions on sustainability and innovation.










