Dietmar Siersdorfer is CEO of Siemens Middle East and CEO of Siemens LLC United Arab Emirates since December 2013.Based in the United Arab Emirates, Siersdorfer joined Siemens in 1987 in Mannheim, Germany, as an electrical engineer and held various managerial positions in the Industry and Energy sectors during his tenure at the company. For two years, starting 1997, he was located at the Siemens Southeast Asia headquarters in Kuala Lumpur, Malaysia, promoting the Industry Sector’s business in the region. In 2001, Siersdorfer took over the global responsibility for manufacturing execution systems within Siemens AG in Erlangen, Germany. His position covered a wide range of industries, including oil and gas, food and beverage, power generation, chemicals, automotive, and manufacturing on a global scale and particularly in the Americas, Asia Pacific and Europe.

In 2004, he was appointed Executive Senior Vice President for fossil power generation for Europe, Africa, Middle East and India.

Two years later, he became President and CEO of the global fossil energy solutions business within the Siemens Power Generation division.