The RevEnergy team is committed to providing a safer, more environmentally-conscious solution to downstream consumers by reducing H2S gasses in sour crude to less than 4 ppmw, far below the industry-accepted standard of 10 ppmw.


GARY DEVRIES | CFO & Board of Managers

A South Dakota native, Gary has spent the last 17-plus years in roles of increased responsibility in the accounting and financial industries. Most recently he’s managed a multigenerational family partnership based in Aberdeen, South Dakota focused on private equity and real estate investing. Additionally, Gary is a veteran and citizen soldier, serving 22 years in the Army National Guard as a combat engineer reaching the rank of Command Sergeant Major. He graduated from the University of South Dakota with a Master of Professional Accountancy and a Bachelor of Science in Business Administration.

TOM WILSON | Board of Managers

Raised on a ranch in Harding County, South Dakota, Tom spent more than 30 years working multiple jobs within the oilfield including welding, roustabout, fencing and chemicalling fracs. Working with Dan Johnson, Tom was instrumental in the development of an improved H2S removal process. Tom is a graduate of Black Hills State University.

DAN JOHNSON | Board of Managers

Dan has spent more than 40 years in various roles in the oil and gas industry, working at major exploration and production companies. More recently, Dan served as a consultant helping oil companies set up and operate their production, which led to his interest in creating a method to safely process H2S in sour crude wells. Today, Dan lends his experience and expertise to RevEnergy and their mission to find a cleaner, safer way to process H2S. He’s a graduate from Bismarck State University with degrees in Commercial Art and Applied Science.

DANIEL DOYLE | Outside Legal Counsel

Daniel is an attorney with Cutler Law Firm, LLP. in Sioux Falls, South Dakota, and serves as legal counsel for RevEnergy. He received his Juris Doctorate from the University of South Dakota School of Law and his Master of Business Administration from the University of South Dakota School of Business.