John McMahon is a retired professional who held significant roles in the oil industry, including serving as VP of Supply Chain at PSC from 1999 to 2002 and currently as a Senior Lean Six Sigma Engineer for Shell Exploration and Production since 2008. After a 36-year career in the industry, John retired in August 2016 and now resides at Horse-N-Round Ranch outside of Fulshear, TX, where they enjoy projects around the ranch and spend time with their granddaughter. Additionally, John engages in home remodeling projects and is working as a semi-skilled crafts person. They earned a degree from Arizona State University between 1975 and 1980.
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