Walter Leithold

• IT-electronics engineer with the Fraunhofer Institute for applied solid state physics
• Studied electronics
• Freelance at the Fraunhofer Institute for Solar Energy Systems
• Self-employed since 1985, development of electronics for Fraunhofer Society ISE (FHG-ISE), amongst others
• Founded Solare System Technik GmbH in 1991
• Changes company to “SolarMarkt GmbH” in 1997
• Responsibility: Managing Director

Elmar Niewerth

• Mechanical Engineer, Certified Energy Manager and Sustainable Development professional
• President of G&N Innovative Haustechnik, Freiburg, Germany, a contractor company for renewable energy projects in 1995
• Global Energy Coordinator with Novartis Pharma Basel (Switzerland), managing energy saving projects on the Novartis Pharma plants worldwide, in 2002
• Business Manager and Energy Consultant with ECE in Europe and the US, with focus on energy audits, feasibility studies and managing energy efficiency projects for utilities on the US West Coast in 2004
• Co-founder and CEO of SolarMarkt US, dba ThinkSolar, a subsidiary of SolarMarkt AG, in Freiburg, Germany in 2007
  
• Responsibility: CEO SolarMarkt US