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Decades of service to international clientele has provided PAH with a wealth of highly regarded experience. This experience has taught PAH the importance of well-coordinated multi-disciplinary teams. Rather than an ad hoc collection of individuals, PAH provides clients with experienced project managers and team members who have worked together for years, with proven results. The full support and capability of PAH, including the most modern computerized analysis and design capability available, stands behind these teams.

Raja P. Upadhyay - President, M.S. Mining Engineering, B.Sc. Mining Engineering, 30 years experience in the coal and energy industry.

Darrel L. Buffington, P.E. - Principal Engineer, M.S. Civil Engineering, B.S. Geological Engineering, Registered Professional Civil Engineer, 27 years experience in the minerals industry.

Nelson D. King - Vice President, Process Engineering and Environmental Services, B.S. Metallurgical Engineering, 35 years experience in the minerals industry.

Ernest L. Bohnet, P.E., P.Eng. - Vice President, Mining and Geological Services, B . S . Mine Engineering, 39 years of operational and consulting experience in the minerals industry.

Casey J. Kaptur - Senior Analyst, Coal and Energy, M.S. Mineral Economics, M.B.A., Marketing and Finance, B.S., Chemistry, 25 years experience in chemical and commercial aspects of coal business.

Barton G. Stone, C.P.G. - Chief Geologist, M.B.A., B.S. Geology, 30 years experience in the minerals industry.

Leonel Lopez, C.P.G. - Principal Geologist, M.B.A., Ingeniero Geólogo, Registered Professional Geologist, 35 years experience in the minerals industry, fluent in English and Spanish.

Craig Horlacher - Principal Geologist, M.Sc. Geology, B.A. Geology, 30 years experience in the minerals industry.

Aaron McMahon, P.G. - Senior Geologist, M.S. Geology, B.S. Geology, 5 years experience in the minerals industry

Abani Samal, Ph.D. - Geologist/Geostatistician, Ph.D. Environmental Resources and Policy, M.S. and DIC, Mineral Exploration, Master of Technology, Mineral Exploration, experience in geostatistical analysis.

Terry J. Laverty, P.E. – Principal Mine Engineer, Professional Degree-Engineer of Mines, Registered Engineer: Colorado and Wyoming , 35 years experience in the mining industry.

Hugo Miranda - Principal Mining Consultant, M.B.A., Mining Engineer, 15 years experience in the minerals industry.

Peter Christensen - Principal Mining Engineer, Bachelor of Engineering (Mining), 22 years experience in international coal business.

Gordon Sobering - Principal Mining Engineer, B.S. Mining Engineering, BSc. Degree, Geological Science, 23 years experience in the minerals industry.

Landy A. Stinnett, P.E. - Principal Mining Engineer, M.S. Mining Engineering, M.S. Geological Engineering, B.S. Geological Engineering, Registered Engineer: Colorado, Louisiana, W. Virginia, Wyoming, Registered Geologist: Idaho, Certified General Appraiser: Colorado, 35 years experience in the minerals industry.

Paul Chilson - Senior Mining Engineer, B.S. in Mining Engineering, 6 years experience in the minerals industry.

Richard Addison, P.E. - Principal Process Engineer, M.S. Metallurgical Engineering, A.C.S.M. (Honors), Registered Engineer, Nevada; Charted Engineer, U.K.; Eur. Ing., EEC, 36 years experience in the minerals industry.

Don M. Larsen, Ph.D., P.E. - Principal Process Engineer, Ph.D. Engineering, B.S. Metallurgical Engineering, Registered Engineer: Michigan, Utah, Nevada, 22 years experience in the minerals industry.

Thomas K. Noyes, P.E. - Principal Environmental Specialist, M.S. Environmental Science / Water Quality, M.S. Hydrology / Hydrogeology, B.S. Ecology / Biology, Registered Professional Engineer, Alaska and Washington, 20 years experience in hydrology / hydrogeology.

Ross Conner, P.Geo. - Principal Environmental Geologist, M.A. Environmental and Management, B.S. Specialist Geology, 20 years experience in mining industry.

Paul J. Shattuck, P.E. - Business Development Manager - North America, M.S. in Mineral Economics, B.S. in Mining Engineering, 25 years experience in the coal mining industry.