Mr. Rehn was appointed President in May 2015 and appointed Chief Executive Officer and Director in September 2015. Mr. Rehn previously served as Senior Vice President, Exploration and Chief Geologist since December 2012 and served as Vice President, Exploration and Chief Geologist since February 2012. From 2007 until February 2012, Mr. Rehn held various positions at Barrick Gold Exploration, Inc., serving most recently as Chief Exploration Geologist for the Bald Mountain and Ruby Hill mining units. Mr. Rehn was a consulting geologist for Gerson Lehman Group from 2005 to 2007 and additionally provided consulting services for Barrick in 2006 and 2007. Mr. Rehn served as a Consulting Senior Geologist at Placer Dome Exploration, Inc. in 2004 and as an independent consulting geologist throughout the Americas from 1994 until 2003. He held previous roles including Senior Geologist at Noranda Exploration, Inc. and Project Geologist and Senior Geologist for Gold Fields Mining Corp. Mr. Rehn holds a Master of Science degree in Geology from the Colorado School of Mines and a Bachelor of Science degree in Geological Engineering from the University of Idaho.
Mr. Vogels was appointed Chief Financial Officer in March 2009. Previously, he served as Vice President of Finance and Controller for Apex Silver from 2005 until 2009. During his more than 30 years in the mining industry, Mr. Vogels has held numerous accounting, finance and tax positions at both corporate and operations levels, 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. He earned a Bachelor of Science and a Master of Business Administration from Colorado State University in 1982.
Ms. Winkler has been with Golden Minerals since 2011 and serves as the company’s Director of Investor Relations. She has over 25 years of experience encompassing roles in investor relations, corporate financial & strategic planning, and fixed income derivatives origination, sales & structuring in London, New York and Denver (Colorado). Previous roles include Director of Financial Planning at Qwest Communications, Associate Director of Fixed Income Risk Management at both Union Bank of Switzerland and Bear, Stearns International in London, England, and Senior Financial Analyst and Investor Relations Associate at ProLogis in Denver. Ms. Winkler holds a Master of Business Administration in Finance and International Business from New York University’s Stern School of Business. She is a member of the National Investor Relations Institute and a past officer of NIRI's Rocky Mountain chapter.