Phillips 66: CEO History

Phillips 66 generated $159.7 billion in revenue in fiscal year 2024. It employed 13,500 people. That $11.8 million in revenue per employee is not a digital platform metric — it is the arithmetic of a petroleum refining and midstream business where the product is high-value and the headcount is deliberately lean. The company that Frank and L.E. Phillips built from a natural gas discovery in the Texas Panhandle in 1917 has been restructured, merged, spun off, and reinvented multiple times. The 2012 spin-off from ConocoPhillips created today's version: a pure-play downstream and midstream enterprise that processes roughly 1.9 million barrels of crude oil per day. The crack spread is the foundational economics of refining — the margin between what you pay for crude and what you sell refined products for. Phillips 66's competitive position within that spread comes from physical complexity: its refineries are configured to purchase discounted heavy, sour crude oils and convert them into premium transportation fuels. Simple refineries cannot do this. Complex ones command a persistent margin advantage in any environment where heavy crude trades at a discount to light sweet. The 2023 acquisition of the remaining stake in DCP Midstream instantly made Phillips 66 the largest NGL fractionator in the United States, adding a fee-based midstream segment generating stable cash flows largely insulated from absolute commodity prices. Mark Lashier has led the integration of that acquisition while managing the company through the revenue contraction from $215.3 billion in 2022 to $159.7 billion in 2024 — a decline driven almost entirely by lower commodity prices rather than operational deterioration. Carl Icahn's 2012 activism campaign at the newly public Phillips 66 targeted the company's capital allocation and governance structure. The engagement, which eventually ended, highlighted the fundamental tension in refining economics: the business generates exceptional cash flows at the top of the commodity cycle and requires discipline not to destroy them at the bottom.