Mark is the Founder and President of Arkoma Companies. He founded the first Arkoma entity in 1983. His career as a geologist spans over 35 years and continues to include the technical evaluation and acquisition of oil and gas assets in selective plays across the Continental United States. Mr. Kelldorf holds a Bachelor of Science in Geology from the University of Texas – Arlington, followed by graduate studies in Petroleum Geology from Southern Methodist University.
In addition to being a successful entrepreneur and scientist, Mr. Kelldorf has led two weekly Bible Studies for High School students and professionals, respectively, for over 20 years in Rockwall, Texas.