Mark E. Lashier
Chairman and Chief Executive Officer
Executive
5 reports
Phillips 66 ·PSX
Energy · Fortune #26 · Divisional structure · 13K employees · Houston, TX
Sourced from Phillips 66 DEF 14A · filed 2026-04-02 ↗ View on SEC
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Download the CSV data insteadFour operating segment EVPs report directly to the CEO, highlighting Phillips 66’s clean divisional model. This page maps the executive structure, summarizes leadership tenure and compensation, and compares Phillips 66’s organization with major downstream energy peers.
What to model
Start with the public baseline, then use the scenario views and source-backed changes to ask what happens when leadership, span, or team ownership shifts.
Board size increased from 14 to 16 directors effective March 6, 2026.
Source · See change logThe people
6 executives identified as Named Executive Officers in the most recent SEC proxy. Bar length scales with tenure.
Chairman and Chief Executive Officer
Executive
5 reports
Executive Vice President and Chief Financial Officer
Finance
0 reports
Executive Vice President, Refining
Refining
0 reports
Executive Vice President, Marketing & Commercial
Marketing & Commercial
0 reports
Executive Vice President, Government Affairs, General Counsel and Corporate Secretary
Legal & Government Affairs
0 reports
Executive Vice President, Midstream
Midstream
0 reports
The pay
From the most recent DEF 14A Summary Compensation Table. 1 named executive officers disclosed. Bar length scales with total compensation.
The businesses
4 divisions report into the group CEO. Tile size scales with estimated headcount.
7K employees
Executive Vice President, Refining (Richard Harbison)
Operates the company’s global refining system, focusing on safety, utilization, and margin optimization.
2K employees
Executive Vice President, Midstream (Tim Taylor)
Manages pipelines, terminals, and NGL infrastructure supporting Phillips 66’s integrated value chain.
2K employees
Executive Vice President, Marketing & Commercial (Brian Mandell)
Oversees fuels marketing, specialties, and commercial optimization activities.
800 employees
Executive Vice President and CFO (Kevin J. Mitchell)
Responsible for financial strategy, capital allocation, accounting, and investor relations.
The thesis
Phillips 66’s most distinctive structural feature is that its major operating businesses—Refining, Midstream, and Marketing & Commercial—are each led by Executive Vice Presidents who report directly to the CEO.
This creates a clear divisional accountability model with P&L ownership concentrated at the EVP level rather than dispersed through layered regional structures.
The CEO’s span of control is relatively tight for a Fortune 50 energy company, with five direct reports shown here, allowing close oversight of capital allocation, safety, and operating performance. Corporate functions such as Finance and Legal are integrated alongside operating divisions rather than grouped under a COO, reinforcing the CEO’s central role in coordinating strategy across segments.
The comparison
Compared with integrated peers like Exxon Mobil and Chevron, Phillips 66 operates with a more downstream-focused, divisional structure and fewer corporate layers. Unlike Exxon and Chevron, which embed chemicals and upstream within broader integrated hierarchies, Phillips 66 concentrates leadership attention on …
Current signals
Phillips 66 expanded its board to 16 directors in March 2026, adding two new independent directors.
Board size increased from 14 to 16 directors effective March 6, 2026.
SourceYear-over-year executive structure based on SEC proxy and annual filings.
Stable executive team with no major C-suite departures.
Continuation of post-CEO-transition leadership structure.
Early years following CEO succession from Greg Garland.
Leadership team remained stable with increasing average tenure.
Mark E. Lashier has served as Chairman and Chief Executive Officer since 2022.
Phillips 66 uses a divisional structure organized around major operating segments such as Refining and Midstream.
The CEO has five direct reports, including the CFO and four operating EVPs.
In March 2026, the company expanded its board and appointed two new independent directors.
No. Phillips 66 does not have a COO; major operating EVPs report directly to the CEO.
Reference
If you reference this page in research, analysis, or news writing, use one of the formats below. Citation includes the SEC filing source where applicable.
Creately. (2026). Phillips 66 organizational structure. Creately. Retrieved , from https://creately.com/org-chart/fortune-500/phillips-66/"Phillips 66 Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/fortune-500/phillips-66/. Accessed .Creately. "Phillips 66 Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/fortune-500/phillips-66/.Phillips 66. DEF 14A. Filed 2026-04-02. U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/1534701/000153470126000010/psx-20260401.htmPermanent URL: https://creately.com/org-chart/fortune-500/phillips-66/ · last updated 2026-04-01