John McMahon

John McMahon has extensive experience in the oil industry, with a career spanning over 36 years. Currently serving as a Technical Sales Representative at Enventure Global Technology, John also holds a long-standing role at Shell Oil Company as Portfolio Manager for Process Leadership (Lean Six Sigma) Training, where responsibilities include the design and deployment of training programs. Prior positions at Shell include Senior Lean Six Sigma Engineer and Lean Six Sigma Lead for Global Unconventional Wells. John previously served as VP of Supply Chain at PSC from 1999 to 2002. After retiring from the industry in August 2016, John relocated to a small ranch outside of Fulshear, TX. Academic credentials include a degree from Arizona State University, earned between 1975 and 1980.