John S. Swearingen

Sr. VP, Trans. & Logistics, Marathon Petroleum.

Companies

MPLXVP, Crude Oil & Ref Prod Pipe Feb 3, 2016 to Mar 4, 2020¹
Marathon PetroleumSr. VP, Trans. & Logistics Mar 4, 2015 to Mar 3, 2017²
MPLXChief operating officer Mar 4, 2015 to Mar 4, 2015³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARMPLX, VP, Crude Oil & Ref Prod Pipe
2
SEC EDGARMarathon Petroleum, Sr. VP, Trans. & Logistics
3
SEC EDGARMPLX, Chief operating officer