System Atlas

John P. Surma

PersonAmerican businessman, former executive chairman of U.S. SteelWikidata Q6251718
Updated

John P. Surma is board member at Marathon Petroleum.

01Roles

Each role as its source states it, with the dates when the source gives them.

Former roles1

02Their organizations

Open one for how it is built: its map, figures and connections.

Marathon Petroleum

Company · Integrated oil and gas companies · United States

American petroleum refining, marketing, and transportation company

Revenue
$153.6B
TTM to Jun 2026
Parts
4
6 sources

Updated

U.S. Steel

Company · Iron and Steel Mills and Ferroalloy Manufacturing · United States

US steel-producing company

Revenue
$15.2B
TTM to Mar 2025
People
85,000
Parts
5
7 sources

Updated

03About this page

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