Jeffrey G. Clevenger Chairman, President and ChiefExecutive Officer
Mr. Clevenger has more than 40 years of mining experience, primarily at a senior management level with Apex Silver Mines Limited, Cyprus Amax Minerals Company and Phelps Dodge Corporation. From 2004 to 2009 he served as Director, President and Chief Executive Officer of Apex Silver Mines where he led the construction of the $1 billion San Cristobal mine in Bolivia. From 1992 to 1999, while reporting to the Chairman and CEO of Cyprus Amax, with active participation at the Board level, Mr. Clevenger was Chief Operating Officer and President of a large integrated copper producer (one billion pounds per annum) and the world's largest molybdenum producer. He was one of a five member Policy Committee for the parent Cyprus Amax Minerals Company and responsible for 4500 employees with producing assets in the U.S., Europe, Chile and Peru. During his tenure at Cyprus, copper production increased by more than 65% while costs lowered by nearly 30%. Mr. Clevenger led the effort for Cyprus that resulted in being awarded Peru's first tender in the privatization process, acquiring the Cerro Verde property; and Chile's first tender in the privatization process through the Cyprus acquisition of El Abra. He led the Cerro Verde $230 million modernization and expansion, which resulted in increasing production from 60 to 150 million pounds and decreasing costs from $0.80 to $0.45 per pound over a five year period; and the $1 billion construction of the world's largest SX/EW at El Abra, which was completed ahead of schedule and under budget. Mr. Clevenger was responsible for exploration activities ($15 - $40 million per year), primarily conducted in South America, Zambia, Papua New Guinea and Australia.
While at Phelps Dodge Corporation from 1989 to 1992, Mr. Clevenger held the position of President and GM of Phelps Dodge Morenci Inc., which was a joint venture between Sumitomo and Phelps Dodge. There he managed an annual operating budget of $400 million and capital budget of $100 million and oversaw an aggressive exploration program and analysis of the Safford copper district. While at Morenci he led several cost reduction initiatives, most notably replacing the rail system with the installation of a $50 million in pit crushing and conveying system. From 1987 to 1988, Mr. Clevenger was the Assistant General Manager at Chino Mines Company, a joint venture between a subsidiary of Mitsubishi Mining and Phelps Dodge, where he had responsibility for all mining, concentrating, smelting, leaching and engineering functions, including 1100 employees. From 1986 to 1987, he was General Superintendent of Phelps Dodge Morenci, where his responsibilities included mining, engineering and administrative activities of the largest operating mine in North America. While at Phelps Dodge from 1986 to 1973, Mr. Clevenger had progressive career growth from Engineer to Mine Superintendent at Tyrone.
B.S. Mining Engineering with honors, New Mexico Institute of Mining and Technology: 1973
Advanced International Senior Management Program (AMP; ISMP), Harvard University: 1996
Deborah J. Friedman Senior Vice President, General Counsel and Corporate Secretary
Ms. Friedman has over 25 years of experience in the mining industry. For 16 years she served in various positions in the law departments of Cyprus Amax Minerals and AMAX Gold, including General Counsel and Associate General Counsel at Cyprus and General Counsel at AMAX Gold. As a partner at Davis Graham & Stubbs LLP, Ms. Friedman represented major, mid-tier and junior mining companies in public and private equity and debt offerings, commercial and project financings, securities compliance and acquisitions and divestitures both in the United States and internationally. Ms. Friedman's practice has included counseling boards of directors and senior management and effective management of complex finance and acquisition and divestiture transactions. She is experienced in securities compliance and corporate governance matters.
Ms. Friedman is experienced in all phases of the mining business, from exploration through development and operations. She has served as lead counsel in the negotiation and documentation of exploration joint ventures and the development of critical contracts for engineering, construction and infrastructure services. She has special expertise in negotiation and documentation of complex domestic and international transactions, including public, private and project financings, acquisitions, divestitures, business combinations and joint ventures. Ms. Friedman has handled finance, transactional and operations matters for mining projects in the United States, Canada, Latin America including Chile and Bolivia, Australia, New Zealand, Papua New Guinea, Russia and Ghana.
Education B.A. University of Illinois 1974
J.D. University of Michigan 1977
Robert P. Vogels Senior Vice President and Chief Financial Officer
Mr. Vogels was previously the Vice President of Finance and Controller for Apex Silver, joining the company in January, 2005. Prior to that Mr. Vogels served as corporate controller for Meridian Gold Company.
During his 25 years in the mining industry, Mr. Vogels has held numerous accounting, finance and tax positions at the corporate and operations level, and has been involved in numerous large scale mine development projects. Mr. Vogels' extensive operations, corporate and international experience includes previous positions as corporate controller of Meridian Gold, site controller of Phelps Dodge's El Abra mine in Chile and Project Controller of Inco's Goro project in New Caledonia.
Mr. Vogels began his career in public accounting where he earned his CPA certification.
Education B.Sc. and MBA degrees from Colorado State University
CPA Certification (inactive)
Warren M. Rehn Senior Vice President of Exploration and Chief Geologist
Mr. Rehn, who joined Golden Minerals in 2012, has 30 years of mineral exploration experience. He was previously employed by Barrick Gold Exploration, most recently as the Chief Exploration Geologist for the Bald Mountain and Ruby Hill Mines. In this position he was responsible for planning and supervising gold exploration programs for intrusion-related and Carlin style deposits, with recent significant discoveries at both mine sites. Prior to joining Barrick, Mr. Rehn was a consultant with Gerson Lehman Group and for 10 years was a co-owner in a specialty geochemical consulting firm. Mr. Rehn has also worked as an exploration geologist with Placer Dome Exploration, Bear Creek Mining, Cyprus Amax, Bema Gold, Noranda Exploration and Gold Fields Mining Corporation. He has considerable exploration experience in the United States, Canada and throughout Latin America.
Bachelor of Science in Geological Engineering from the University of Idaho: 1978
Master of Science in Geology from the Colorado School of Mines: 1983
A. Pablo Castaņos P. Vice President, Corporate Affairs
Mr. Castaños has more than 16 years of experience in managerial positions focused in government affairs, finance, strategic planning and taxes. His key strengths include international experience in multicultural backgrounds, government relations, and direction of complex projects within highly competitive environments in multi-size, multinational, private and public companies. He currently works with Golden Minerals as Vice President of Corporate Affairs. From 2004 to 2007 he worked at the San Cristobal mine in Bolivia as Corporate Manager and later with Apex Silver Mines and Golden Minerals he served different positions. During 1999 to 2004, Mr. Castaños worked in different banks and companies focused in the financial area. Prior to working in the financial sector, Mr. Castaños worked for almost two years as a World Bank consultant and advisor to the Secretary of Pension Funds in Bolivia.
Bachelor of Economics, Universidad Gabriela Mistral, Santiago, Chile: 1995
Bachelor of Commercial Engineering, Universidad Gabriela Mistral,
Santiago, Chile: 1995
MBA in Finance (with honors), joint program between Universidad Gabriela Mistral
and the Massachusetts Institute of Technology (MIT): 1999
David E. Drips Vice President and General Manager, Velardeña
David Drips has over 35 years of international experience in the minerals industry as a miner, supervisor, engineer, project manager, general manager and in corporate level administration. Mr. Drips' experience has been concentrated in project management, in particular underground mine development, construction and operations.
Mr. Drips' professional experience includes: Vice President Operations for Yukon-Nevada Gold Corp.; General Manager for Breakwater Resources El Mochito Mine in Honduras; Vice President of Mexico Operations for Endeavor Silver Corp.; Director General of Plata Panamericana for Panamerican Silver; Director General Minera Cosala for Scorpio Mining; Manager of Surface Operations for American Mine Services; General Manager, Far Eastern Russia for Bema Gold Corporation; General Manager of El Callao in Venezuela for Hecla Mining Company; and Owner/operator Intermountain Mine Services which specialized in coal and hard rock underground mine development and construction.
B.S. Mining Engineering from Colorado School of Mines: 1980