Professor David Romero is Senior Research Scientist and Scientific Project Manager at the Center for Innovation in Design and Technology of the Tecnológico de Monterrey University in Mexico. His research interests include: Circular Manufacturing, Service Engineering, Cyber-Physical Systems & Human Systems, Advanced Production Management Systems, Green Virtual Enterprises, and Technology and Engineering Management. He is a member of the Society of Collaborative Networks, the IFAC TC5.3 on Enterprise Integration and Networking, the IFIP WG5.7 on Advances in Production Management Systems, the IFIP WG5.12 on Architectures for Enterprise Integration, the IEEE Technology and Engineering Management Society, the IEEE Internet of Things Community and the Intelligent Manufacturing Systems International Program. He has published more than 100 journal and international conference articles and serves at different editorial and scientific committee boards in the disciplines of business and industrial engineering. Nowadays is focus on promoting the concept of the Operator 4.0.