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Mr. McCallister serves as Ubiterra’s geologic expert leading product development, technical sales, application testing, and customer integration. He leverages his diverse experience in the Oil and Gas industry, where he has worked for super majors, private equity operators, and service companies across a gamut of roles from new ventures exploration and appraisal/development, to running and executing a full-time drilling program. Mr. McCallister is passionate about utilizing his diverse background and love for problem-solving and the latest cloud software technology to help asset teams improve their workflow and to drill better wells.

Mr. McCallister received his M.S. in Geology from the University of Kansas and his B.S. in Geology from the University of Arizona.