John Galloway is currently serving as the Completions Engineering Manager at Devon Energy, a position held since 2025. Previously, Galloway worked in various roles, including Sr. Completions Engineer and Completions Manager at Marathon Oil Corporation, where responsibilities included overseeing operations in the Eagle Ford region. Galloway also gained valuable experience as a Completions Intern at SandRidge Energy and as an Advisor at JLG Energy LLC. Galloway holds a Bachelor’s Degree in Engineering Physics from the University of Central Oklahoma, earned in 2012.
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