The Marathon Petroleum org chart maps the full organizational structure of 2488 verified decision makers and leadership team members across 22 functional departments. ExecGraph tracks role changes, new hires, and departures weekly so vendors can reach the right contact at every level of the hierarchy.
Marathon Petroleum operates the Galveston Bay Refinery in Texas City, one of the largest refineries in the United States with capacity exceeding 585,000 barrels per day. ExecGraph maps 332 contacts across 18 departments with particular depth in operations, engineering, and maintenance. The facility is a major turnaround destination with scheduled outages that mobilize hundreds of specialty contractors. Decision chains for vendor engagement typically route through operations or maintenance directors at the plant level, with capital project approvals escalating to VP level at the Findlay, Ohio corporate headquarters.
Marathon Petroleum is a energy and industrial operator with operations across Marathon Galveston Bay. The company maintains a verified contact base of 2488+ decision makers across 22 functional areas including procurement, maintenance, operations, engineering, projects, turnaround, HSE, and sustainability. ExecGraph tracks Marathon Petroleum across commercial journeys including MRO, turnarounds, and capital projects.
7 senior executives at Marathon Petroleum at the C-Suite and SVP/EVP level.
Sourcing and purchasing functions involved in supplier qualification, contracting, and purchase workflows. Individual approval authority must be verified.
Teams responsible for asset uptime, preventive maintenance, and reliability programs.
Plant operators, shift leads, and production managers who run day-to-day operations.
Engineering and instrumentation teams may assess equipment requirements and technical options. A title alone does not establish specification or approval authority.
Health, safety, and environmental functions involved in compliance and site-access processes.
The Marathon Petroleum management team includes 16 senior leaders at the VP level and above, supported by 286 Directors and Managers across 22 functional areas. Key roles include Process Operator, Operator, Process Engineer, Refinery Operator, Operations.
Marathon Petroleum senior leadership includes 8 executives at the C-Suite and SVP/EVP level, plus 8 VPs across all functions including non-buyer departments visible to subscribers.
View senior leadership directory →Marathon Petroleum is a energy and industrial operator with operations across Marathon Galveston Bay. The company maintains a verified contact base of 2488+ decision makers across 22 functional areas including procurement, maintenance, operations, engineering, projects, turnaround, HSE, and sustainability. ExecGraph tracks Marathon Petroleum across commercial journeys including MRO, turnarounds, and capital projects.
Marathon Petroleum has 16 senior leaders tracked by ExecGraph, including 7 C-Suite executives, 1 SVP/EVP-level leaders, and 8 VPs. In total, ExecGraph maps 2488 decision makers across 22 departments.
Marathon Petroleum has 133 contacts grouped in Procurement & Supply Chain coverage. Example titles include Warehouse Manager, Supply Chain Manager, Supply Chain Program Manager. Department placement does not by itself establish an individual's purchasing or budget authority. Sign in to inspect current role records.
Marathon Petroleum is organized into 22 departments including Operations, Maintenance, Engineering, Executive Leadership, Supply Chain. ExecGraph maps department and seniority coverage to help vendors research the relevant functions without inferring unsupported reporting lines.
ExecGraph tracks 2488 verified decision makers at Marathon Petroleum across 9 Gulf Coast facilities. Contact data is refreshed weekly to capture role changes and new hires.
ExecGraph shows 659 operations contacts at Marathon Petroleum and 286 Director- or Manager-level roles across the wider organization. Those department and seniority labels do not establish a direct reporting relationship to a VP. Sign in to inspect the current role records.
ExecGraph shows sustainability and ESG-related roles when they are present in the current Marathon Petroleum dataset. It does not infer a person's authority from a role label that is not supported by separate public evidence.
Review published department coverage and identify role gaps without assuming person-specific decision authority. 2488 contacts across 22 departments.
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