John is an Executive Director in the Oil Markets and Downstream consulting practice at S&P Global Commodity Insights performing a wide variety of assignments related to the petroleum market, refining and worldwide petroleum infrastructure. John has 30 years industry experience. He joined IHS Markit (now part of S&P Global) through the acquisition of Purvin & Gertz, Inc. in November 2011, which he had joined in 2008, and has gained extensive experience of techno-economic and strategic consulting assignments including specializing in supply chain and base oils and lubricants business. John started his career with Shell in both technical and commercial roles in Stanlow refinery UK, Shell Global Solutions in The Netherlands and in Downstream Supply Planning and Optimization in London UK. John has consulted on a wide range of assignments with S&P Global and Purvin & Gertz. He has broad experience in the technical and commercial aspects of the downstream oil industry with a particular speciality in refinery economics, downstream logistics, downstream markets, and base oils and lubricants. John holds a first class honours degree in Chemical Process Engineering from Aston University, Birmingham, UK. Specific Industry Experience includes: Crude oil valuation & marketing, Merger & Acquisitions, Due Diligence, Base Oils and Lubricants production and markets, Refined products pricing & markets, Refinery economics, Terminals and Strategic storage