On behalf of the clients of Stratas Advisors, a Hart Energy Company, Mr. Haas leverages more than 25 years of integrated energy experience and has extensive knowledge of the operating and financial fundamentals of the North American energy industry. 

He initiated and continues his role as primary author of the Refining Unconventional Oil study and its successor, the North American Unconventional Oil service, and contributes to the global Heavy Crude Oil Outlook study, while directing ongoing research for the North American Shale Quarterly service.

Prior to joining Stratas Advisors, Greg held operating and fundamental research roles at Exxon Corp., at the Electric Power Research Institute (EPRI) at pipeline and power consultancies, and most recently in energy equity research at brokerage firms including Raymond James Financial and Sanders Morris Harris Group where he covered equities and fundamentals of refining, pipelines, integrated oil, oilfield services and electric power companies and technologies. Haas holds an MBA from Rice University and mechanical engineering Master and Bachelor degrees from the University of Illinois.