Vaughn Hulleman

Senior Associate

Services

Vaughn has more than 30 years of experience helping organizations across the oil industry value chain address strategic challenges and strengthen operational capabilities.

He began his career in oil exploration and corporate planning at ExxonMobil, followed by over two decades in management consulting, where he specialized in strategy and business transformation services.

Since joining Stillwater Associates in 2014, Vaughn has led engagements in the firm’s Mergers & Acquisitions and Corporate Strategy service lines, supporting clients with insight-driven solutions across upstream, midstream, and downstream sectors.

Vaughn holds a BSc in Geophysics, a Master’s in Economics, and is a CFA charterholder.

Contributions

Refinery Optimization

UNLOCK – Improving Downstream Profitability with Low Capex, High Impact Initiatives 

March 10, 2026

Downstream operators are continuously being asked to deliver more with the assets they already have. Yet with volatile markets, evolving crude slates, logistical constraints, and limited capital budgets, most downstream businesses still carry significant untapped margin potential –value obscured by organizational silos, inherited operating assumptions, and KPIs that no longer reflect today’s environment.   Stillwater’s UNLOCK is designed to surface this hidden value....
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Policy

Trans Mountain Pipeline: Déjà Vu all Over Again?

August 5, 2025

Last April, we published an article on the Trans Mountain Pipeline Expansion (TMX) which was built on the premise that it would provide Canadian producers with access to Asian markets. In that article, we predicted that some of the heavy Canadian crude transported on TMX would be placed in California to supplement the state’s declining...
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