**About the Editors**

**Athanasios P. Vavatsikos** is an Assistant Professor of Spatial Decision Support Systems in the Department of Production & Management Engineering at the Democritus University of Thrace. He has a degree from the department of Civil Engineering of the Democritus University of Thrace and a Ph.D. in Spatial Decision Support Systems from the School of Engineering from the Democritus University of Thrace, GR. His research interests include: geographical information systems; decision making theory and models; spatial multicriteria and suitability analysis; technical–economic project evaluation; environmental and energy economics; quantitative methods. His research work has been published in more than 20 papers in refereed journals and proceedings of scientific conferences.

**Dimitrios E. Koulouriotis** is a professor of Intelligent Systems in Industrial Production and Management in the Department of Production and Management Engineering at the Democritus University of Thrace. He has a degree from the Department of Electrical and Computer Engineering of the Democritus University of Thrace, an MSc degree from the Department of Electronics and Computer Engineering and a Ph.D. in Intelligent Systems from the Dep. of Production Engineering and Management, both from the Technical University of Crete, GR. His research interests include: intelligent systems, computational intelligence and cognitive engineering, data and knowledge engineering, decision support systems, production and logistics engineering and management, engineering and project management, safety and reliability, TQM and BE, innovation and technology management. His research work has been published in more than 80 papers in major journals.

**Ioannis Nikolaou** is an associate professor of Corporate Environmental Management and Environmental Management Systems" in the Department of Environmental Engineering at the Democritus University of Thrace. His research interests include: corporate environmental management, corporate sustainability, corporate social responsibility, business circular economy models and environmental economics. His research work has been published in more than 60 papers in peer-reviewed journals. He has served as a Guest Editor for many journals.

**Konstantinos P. Tsagarakis** is a professor of Economics of Environmental Science and Technology at the Department of Environmental Engineering at the Democritus University of Thrace. He has a degree from the department of Civil Engineering of the Democritus University of Thrace, a BA degree from the Department of Economics of the University of Crete and a Ph.D. in Public Health from the School of Civil Engineering at the University of Leeds, UK. His research interests include: technical–economic project evaluation; environmental and energy economics; public health economics; environmental and energy behavior; big data; online behavior; environmental performance of firms; quantitative methods. His research work has been published in more than 80 papers in refereed journals. He is an Associate Editor of Water Policy Journal and has served as a Guest Editor for several others.
