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Technical Team


Robert Underdown BSc
Vice President of Production & Operations

Mr. Underdown has been instrumental in bringing the Hobson processing facility and Palangana project through to production.

Mr. Underdown has held senior operational positions at ISR uranium mines in  Texas  since 1978, and he has extensive experience designing, managing and reclaiming ISR uranium mines.  Throughout his career, Mr. Underdown has worked with the regulatory agencies in  Texas  specifically pertaining to ISR uranium production, and this includes the responsibilities of managing hundreds of mine personnel and looking after their safety and that of the environment.


Clyde Yancey, BSc, MSc Geology, PGeo
Vice President of Exploration

Mr. Yancey is responsible for all of the Company's exploration projects, including those in South Texas and other states.  With the commencement of production, and with development occupying a good portion of the Company's efforts, he will ensure that the Company's exploration projects remain a priority and advance at a rapid pace.

Mr. Yancey received his BSc in Geology from  Trinity   University San Antonio Texas  in 1975, and his MSc in Geology from the South Dakota School of Mines and Technology in 1978. Mr. Yancey began his professional career with the USGS, Uranium and Thorium Resources Branch, in 1978.  He continued working in uranium development through 1989 while employed in exploration and in-situ mining production for Wyoming Minerals Corporation, Caithness Mining Corporation, Mobil Oil, and Moore Energy. From 1989 to 2005, Mr. Yancey concentrated on reclamation investigations at various uranium mill tailings sites throughout the southwest  United States  for mining companies, government agencies and First Nations. He has served as a member of the UEC team since January 2006, and is currently a Registered Professional Geologist in Wyoming and Texas.


Andrew Kurrus, BSc, MSc
Vice President of Resource Development

Mr. Kurrus is a professional geologist specializing in the exploration and production of economic uranium deposits in South Texas. Mr. Kurrus has an impressive 36-year career in South Texas beginning with Intercontinental Energy Corp in 1978, followed by other notable uranium mining companies: Pioneer Nuclear, Tenneco, Malapai, Total, and Cogema.

While at Total (now Areva), and most recently at Mesteña Uranium LLC (owner of the Alta Mesa ISR uranium mine), he discovered previously unknown ore deposits and orebody extensions at existing ISR operations that contributed significantly to the economics of those projects. Mr. Kurrus is registered as a Professional Geologist; he received his BSc and MSc in Geology from the University of Arkansas.


Harry Anthony, BSc, MSc Engineering Mechanics, PEng
Senior Advisor

Mr. Anthony is an internationally recognized expert in the uranium industry. Mr. Anthony has been a professional engineer for 44 years, the latter 38 of which, he has been at the forefront of multiple aspects of the uranium industry.

Mr. Anthony is particularly noted as being a pioneer of the emerging extraction technology for the uranium mining sector known as In Situ Recovery, or ISR. ISR is a significantly less costly and less environmentally obtrusive technique for mining uranium than any other method currently in use. He has been involved with every notable ISR uranium mine in the US and abroad, at all levels of development, including feasibility, design, operations, and management.

Mr. Anthony was a senior officer and director of Uranium Resources Inc. ("URI"), a public company and a significant uranium producer in the US. During his 20-year tenure at URI he was responsible for all technical aspects of mine development. He has also provided technical services and mine plans for Union Carbide, Urangesellschaft, Kennecott, Rio Algom, Heathgate Resources, and others.

Mr. Anthony is a sought-after speaker on uranium and related issues, having written and presented numerous reference papers on behalf of leading internationally recognized bodies including the IAEA. He is a current and past member of several professional uranium-related societies. Mr. Anthony has a BSc and MSc in Engineering Mechanics from Pennsylvania State University.


Leonard Garcia, RPL
Vice President of Land

Mr. Garcia is an independent professional landman with over thirty years of experience in mineral title research, lease negotiations and acquisitions, farm-out contracts and exploration and production. Mr. Garcia has worked under contract for Sun Oil Company, Oryx Energy, Texaco,  Monsanto Exploration and Production Company, Harkins & Company, Trans Texas Energy and Kerr-McGee Oil and Gas Corp. He is a Registered Professional Landman and a member of the American Association of Professional Landmen and the Austin Professional Landmen's Association. 


Craig Bordovsky, BSc, PEng
Engineering Manager

Mr. Bordovsky gained his B.S. Degree in Civil Engineering from Texas A&M-Kingsville in 2004 and became a licensed Professional Engineer (P.E.) in the State of Texas in 2009. He joined UEC in 2008 as Engineering Manager and oversees all engineering aspects of the Company's exploration operations, permitting activities, construction projects, production operations, and restoration activities. Mr. Bordovsky is responsible for the preparation of design packages for satellite plants, for permitting and construction purposes, including the Palangana Mine. He also develops various financial models to help theoretically estimate a mine's life from conception to reclamation.


Craig Wall, BSc
Vice President of Environmental, Health and Safety

Mr. Wall received his BSc from Sam Houston State in 1999.  Previously he served as a Safety Specialist at the M. D. Anderson Cancer Center in Houston, Texas, Safety Coordinator for the City of Corpus Christi and later served as Environmental Health and Safety Supervisor for Mestena Uranium, L.L.C. between 2006-2010 where he managed the company’s environmental, health and safety programs.  He has successfully permitted four exploration projects, four Production Area Authorizations, many mine area permit and RML license amendments and played an instrumental role in releasing a former uranium project to unrestricted use.  He offers a divers knowledge of environmental, health and safety regulations along with permit development, revision and renewal experience pertaining to uranium in-situ recovery.

Mr. Wall is also the current chairman of the Texas Mining and Reclamation Association’s (TMRA) Uranium Sub-committee, a member of TMRA’s Executive Committee and an active member in the Society of Mining Engineers South Texas chapter.


Greg Kroll   
Hobson Superintendent

Mr. Kroll has 25 years experience in wellfield operations and uranium processing in the U.S.

He began his career in uranium in 1979 while attending high school. After graduation he was employed full time in a maintenance position and worked his way to his current position. He has been employed by Everest Minerals Corp., Rio Algom Mining Corp., Energy Metals Corp., Uranium One and Uranium Energy. He has been in charge of maintenance, construction and operations crews along the way. Mr. Kroll was placed in charge at Hobson to oversee the cleanup and reconstruction of the Everest Minerals processing facility into a state of the art processing plant. He has held several licenses and certificates and currently holds a Journeyman Lineman's License.


Doug Winters
Senior Chemist

Mr. Winters holds a Masters in Chemistry from the University of Texas and has over 25 years experience in technical project management and environmental monitoring including analytical chemistry, radiation safety, and environmental monitoring services to the uranium mining industry. He has 20 years of experience in developing and using management information systems to monitor, schedule, and account for thousands of individual analytic and task assignments for the US EPA and for the uranium mining industry. Mr. Winters has established a modern automated analytical laboratory to support in-situ uranium mining at Uranium Energy's South Texas projects.


Rick Edge, BSc
Senior Geologist

Mr. Edge received his BSc from Oklahoma State University in 1985. He has 15 years of experience in developing and acquiring properties in the western U.S. As a Senior Geologist, he leads and manages in all exploration and property development activities. Mr. Edge specializes in Colorado Plateau, and Basin and Range uranium deposits, and is responsible for increasing UEC's uranium/vanadium resources in the western US region.

Mr. Edge directs and conducts field mapping, mine surveying, down-hole geophysical logging, and resource modeling. He manages multiple projects in AZ, NM, UT, and WY; from the initial land work (surface access agreements, mineral leases, claim staking, and property acquisitions) to resource development and publication.


Robert Gaston

Mr. Gaston grew up in the Oil and Gas industry of Houston, Texas. He attended Schreiner College and the University of Texas before managing an offshore fleet of supply vessels for Southern Marine Drilling, operating for Belco Oil & Gas Corp. in South America. He was a landman for Marine Drilling in Corpus Christi, Texas before becoming an independent petroleum landman in 1985. Mr. Gaston managed the land requirements of Blair Vreeland Oil Company in Corpus Christi for many years while providing independent land services for a number of Oil and Gas Clients in South Texas. Most recently, Mr. Gaston served as the in-house landman for Uranium Resources Inc. before joining Uranium Energy in 2010.


Curtis O. Sealy, MSc and BSc Civil Engineering, PEng
Vice President of Strategic Development

Mr. Sealy is focused on all EH&S issues at Hobson, Palangana and Goliad.

Mr. Sealy is a registered professional engineer who has 40 years of experience with the construction of mines and other large-scale engineering projects internationally.  For the past 20 years, he has served with uranium mining and development companies.  Mr. Sealy has broad experience designing, developing, constructing and providing quality control and quality assurance for large-scale engineering projects, including mines, petrochemical facilities, dams, harbor works, landfills and groundwater and surface reclamation projects.  He is a recognized expert on earth structures and ground improvement techniques, and has authored numerous papers in his field of expertise.  Mr. Sealy served 17 years with Umetco Minerals Corp, a subsidiary of Union Carbide, and a large uranium producer in Wyoming, Colorado, and Utah, where he managed all aspects of regulatory compliance and environmental remediation.  More recently, he served as Vice President of Environmental and Regulatory Affairs for Energy Metals Corp., a uranium exploration and development company acquired by Uranium One in 2007.