Baker & O'Brien, Inc.


People Details

Donald L. Flessner

Donald L. Flessner


Office | Dallas
tel(214) 368-7626
fax(214) 368-0190

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Career Highlights

Don Flessner currently serves as President of Baker & O’Brien, Inc., and serves on the firm’s Board of Directors.  He has over 30 years of technical and commercial experience in the petroleum, chemicals, and fertilizers industries.  After beginning his career in specialty chemicals, Don’s experience at Sohio and BP Oil included technical services, capital project evaluation and management, operations management, wholesale marketing, supply logistics, and strategic planning.  Don’s responsibilities at BP Oil included implementation of several refinery capital projects and the preparation of capital investment strategies for its five U.S. refineries.

Since becoming a consultant in 1992, Don has prepared feasibility studies, due diligence reviews, and valuations for acquisition and financing of petroleum refining, fertilizer, petrochemical, and specialty chemical facilities.  He has also served as a technical and commercial expert in litigation related to major construction projects, contract disputes, valuation of assets, product quality and testing, accidents, and insurance claims for property damage and business interruption.  Don has represented financial institutions as independent engineer and market consultant for a variety of significant project finance transactions located both in the U.S. and overseas, and has testified as an expert witness in depositions, public hearings, jury trials, and international arbitrations.