David Gardiner is a seasoned academic and business consultant with nearly 60 years of experience in operations and supply chain management. He has lectured extensively at both postgraduate and undergraduate levels, covering a wide range of subjects including operations strategy, forecasting and demand management, capacity planning, revenue management, Sales and Operations Planning (S&OP), process and product design, service design, constraint-based scheduling, inventory systems, Enterprise Resource Planning (ERP), Six Sigma, Total Quality Management (TQM), Lean Thinking, and project management.

Hendrik Reefke is an academic in operations and supply chain management and serves as the Director of the full-time MSc in Logistics and Supply Chain Management and the MSc in Procurement and Supply Chain Management at Cranfield University, School of Management, UK. Before joining Cranfield, he held academic positions at the University of Auckland, where he was affiliated with the New Zealand Centre for Supply Chain Management, and he has also been a visiting academic in Germany. Prior to entering academia, he gained professional experience in project management and in the automotive sector.