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We are a team of senior executives, each one of us with over 25 years of passion for taking, merging or maintaining supply chain & logistics organizations, processes & technologies to their best level of performance.


We all have a truly global operational experience from Oil & Gas or Chemical manufacturing in over 50 countries, and developed strong leadership skills from top management consulting firms, starting companies and spending at least 10 years in Global companies leadership positions.

Email us at, or call/text us at (713) 419-1408

Eric Beylier
Managing Partner

Senior executive with over 25 years of passion for taking, merging or maintaining supply chain organizations, processes & technologies to their best level of performance.


Eric worked at Solvay, Rhodia, M.I.T., A.T. Kearney, Autodesk, ChevronTexaco, BP/ARCO Chemicals, TETRA Technologies and Scientific Drilling International, where he built a truly global operational experience in over 50 countries. He mastered the art & process of contract negotiations and led major global change management initiatives. He negotiated over $5 billion of contracts value, from basic commodities to highly complex engineered products & services and financial leases (FASB 13).


He also has a deep understanding of IT issues and ERP systems, such as Oracle JDE and SAP, as well as drone-based inspection, Artificial intelligence, Machine Learning, Computer Vision and block chain technologies.

Mark McDaniel
Associated Partner

Senior Executive in Supply Chain Management. He has 39 years of experience in the oil/gas industry. Mark’s industry experience comes from Texaco, Chevron, Halliburton, ConocoPhillips and Talisman.  Mark formed McDaniel & Cullen in 2013. 


For 13 years prior to this, Mark led global supply chain transformations focused on strategic sourcing, category management, major projects, low cost country sourcing, SAP implementation, contracts management, technology and supplier relationship management. 


His global CPO experience in Fortune 5, service companies and independent operators gives him a unique insight into building high performing Supply Chain organizations and processes. Mark’s supply chain experience spans Upstream, Midstream and Downstream as well as Unconventional plays in N. America.

Isabelle Beylier
Managing Partner

Over 10 years of experience assessing and fine-tuning job descriptions to target the best candidates for each job. She excels at searching, screening & finding the right details to match the best talents for our clients' supply chains & IT organizations. She worked for Wescott & Washington, a recruiting firm specialized in supply chain, and for Crane Worldwide Logistics, a full service air, ocean, customs brokerage & logistics company.


Margaret Livingston
Associated Partner

Margaret worked in Accenture’s Strategy practice for over a decade, with a focus on Supply Chain/Operations and the Resources Market. Then she worked with Resources Global Professionals (RGP) to oversee and deliver RGP projects across multiple industries in the United States and Canada.  In addition, she assisted RGP with development of a Management Consulting Advisory Services practice for Supply Chain.

Jamie Campbell
Associated Partner

Experienced management consultant with over 25 years of experience in strategic & management consulting. He thrives on helping to solve difficult business problems in a variety of industries, including technology, energy, services, engineering & construction.

Jamie has worked at McKinsey & Company, Katzenbach Partners and Booz & Company, in addition to industry roles in engineering, product planning and product management.

John Van Leeuween
Associated Partner

John has worked with oil & gas operators since 1990 in the US, Canada, Indonesia and Nigeria. He also served as the Global Lean Coach for Shell Refining for a year.  In the last 5 years, Mr. Van Leeuwen has led business model transformations and merger integration efforts with a cumulative delivered value of $1 billion working with oil field service companies, midstream operators and industrial services companies.

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