Gary Rivenes is Vice President, Operations of Rio Tinto Energy America, based in Gillette Wyoming. Mr. Rivenes is responsible for all Rio Tinto Energy America (RTEA) operating mines as well as the site-based technical and maintenance groups. Rio Tinto Energy America owns and operates three surface coal mines in the western United States, with two of them located in Wyoming and one in Montana. 

Mr. Rivenes began his career with Rio Tinto Energy America in 1992 and has worked in the mining industry at several locations and within various disciplines with significant experience in engineering, production and mine management. Over the past 17 years, Gary has held such positions as Mining Engineer, Production Supervisor, Production Planner/Engineer, Operations Supervisor and Technical Services Manager at RTEA’s Antelope and Jacobs Ranch Mines and Rio Tinto’s Colowyo Mine. Gary was General Manager at the Jacobs Ranch and Antelope Mines prior to his appointment as Vice President, Operations in RTEA’s corporate headquarters.