Stephan Bogner is mining analyst at Rockstone Research, where he has independently analyzed capital markets and resource stocks for more than 11 years. He is also CEO at Elementum International AG of Switzerland. Mr. Bogner earned his degree in economics in 2004 at the International School of Management in Dortmund, Germany. He spent five years in Dubai brokering and reselling physical commodities and now resides in Zurich, Switzerland.