Mr. Stewart serves as the Executive Vice President of the Ohio Oil and Gas Association (www.ooga.org), having been elected to that position in September 1991.

Mr. Stewart serves as the Ohio associate representative to the Interstate Oil and Natural Gas Compact Commission (IOGCC), having been appointed to that position by Governor George Voinovich in 1997. Mr. Stewart is an active participant with the Independent Petroleum Association of America (IPAA); the Liaison Committee of Cooperating Oil and Gas Associations; and is a founding member of the management team organizing the national BRIEF Project (Bringing Real Information on Energy Forward) that has evolved into the Energy in Depth Program (EID). Mr. Stewart serves as the executive director of EID - The Ohio Project.
 
In December 2001, Mr. Stewart was elected to the Board of the State Review of Oil and Natural Gas Environmental Regulations, Inc. (STRONGER) as one of three representatives for the U.S. oil and gas exploration and production industry.  On August 31, 2012, Mr. Stewart was selected to serve as chairman of the STRONGER Board, marking his second rotation through the organization’s officer seats.
 
Prior to joining OOGA, Mr. Stewart has fifteen years of formal experience in the oil and gas industry as an oil and gas producer and provider of contract drilling services.  He is the third generation of his family to make a livelihood  in exploration, development and production of crude oil and natural gas. The family heritage extends back to the original oil regions of western Pennsylvania and southeastern Ohio.