Influence of Green Lean Six Sigma on healthcare performance: the role of service innovation, employee professional development, and dynamic environment

Fahad Ullah Khan is currently pursuing his PhD in Management Science and Engineering from Northwestern Polytechnical University, Xi'an, China. He has completed a Bachelor's in Mechanical Engineering from Pakistan and a Master's in Mechanical Engineering from Australia. He has 15 years of professional experience in mechanical structural design, Product life cycle management, Project Management, and Quality Management Systems at an apex R&D organisation in Pakistan. His current research areas include the implementation of Green Lean Six Sigma in healthcare and industrial sectors.

Yang Wang received the B.S. and M.S. degrees in computer science and technology from Northwestern Polytechnical University, Xi'an, China, in 2008 and 2011, respectively, and the PhD degree in computer science from the University of Angers, Angers, France, in 2013. She is currently a Full Professor with the School of Management, Northwestern Polytechnical University. She has published more than 20 articles in international journals, including the INFORMS Journal on Computing, the European Journal of Operational Research, Computers and Operations Research, and the Journal of Heuristics. Her research interests include modelling and designing optimisation algorithms for complex production and healthcare systems.

Lin Zhang is an Associate Professor at the School of Management, Northwestern Polytechnical University, Xi'an, China. His research focuses on gamification in the electronic and mobile business, trust in the sharing economy, and IT adoption. He has published articles in journals such as Production and Operations Management, Journal of the Association for Information Systems, European Journal of Information Systems, Information and Management, Decision Support Systems, Internet Research, Electronic Commerce Research and Applications, and Industrial Management and Data Systems.

Arsalan Fayyaz is an Assistant Professor at Bahria University, Karachi. He has completed a PhD in Management Sciences and Engineering from Northwestern Polytechnical University, China, and a Master's degree from NED University of Engineering and Technology. His research areas include lean manufacturing, kaizen, and layout design. He has approximately 7 years of professional experience, including 4 years in the textile industry and 3 years across sectors such as the feed industry, and he is an experienced trainer at PITAC, Karachi, Pakistan.

Sidra Ramzan is an Assistant Professor in the Department of Management Sciences at COMSATS University. She has completed a PhD in Management Sciences and Engineering from Northwestern Polytechnical University, China, and a Master's from the University of Punjab, Pakistan. Her area of expertise includes sustainable development, waste management, environment and innovation management (entrepreneurship).