Gregor Jenzer is Founder & Principal Advisor at Jenzer Advisory and a former Shell leader with 25 years’ international experience in refineries and gas assets. He has led transformation programs that cut incidents by 50%, reduced production losses by 75%, and lifted asset availability to top-quartile benchmarks. A PhD chemical engineer with an MBA from Columbia and London Business School, Gregor specializes in operational excellence, reliability, and asset integrity. He is the creator of Engage for Excellence (E4X)—a practical framework that fuses frontline engagement with lifecycle asset management to deliver safer, more reliable, and sustainably high-performing operations.