Petroleum / Oil and Gas / Propane Expert Witnesses: 16

Dr. John N. O’Brien has over 45 years of experience in Energy Markets, Technology, and Regulation as a thought leader and as an expert in the analysis of energy economics, and promulgation and enforcement of energy laws and regulation. 

Before he began providing litigation support services, Dr. O'Brien spent 10 years as a Full Scientist at the US Department of Energy’s Brookhaven National Laboratory in its Department of Nuclear Energy (1976-1985),13 years as founder and CEO of several significant energy companies (1985-1998), 25 years as a high-level energy consultant and advisor with several nationally recognized consulting firms advising substantial corporate entities (1998-Present), and 20 years providing energy-related expert litigation support.

Litigation Support - Dr. O'Brien is a highly experienced litigation support expert having been engaged as a primary expert witness and subject matter expert in over 25 different judicial actions as well as numerous administrative regulatory proceedings involving energy-related matters. His extensive prior history as a high-level advisor in the energy sector has contributed to the success of numerous judicial matters in which he has been engaged resulting in well over $3.5 Billion in judicial recoveries for his clients.

Dr. O'Brien possesses a very broad and deep level of expertise and extensive experience in the energy industry. He fully understands the details of energy regulatory economics as well as adherence to the applicable procedural and evidentiary requirements of judicial and regulatory litigation.

Areas of Expertise: