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Management

Sönke Siegfriedsen

Joint Founder and Partner

Sönke Siegfriedsen, graduate engineer, born in 1956, studied Technical Physics at the Lübeck University of Applied Sciences, where he graduated in 1979. From 1981 on Siegfriedsen was employed at FGW (Fördergesellschaft Windenergie), the association representing companies in the wind industry, until he founded the engineering firm of aerodyn in 1983


Markus Rees

Managing Director

Markus Rees, graduate engineer, born in 1966, studied Aviation and Space Technology at the University of Stuttgart, where he graduated in 1993. Rees started at aerodyn in 1994 and worked on load simulation and tower design. From 2000, Rees was the head of various development projects and became a partner in aerodyn in 2006. Since then Rees, as a member of management, has been responsible for marketing and business development, licensed products and quality management.


Rainer Osthorst

Managing Director

Rainer Osthorst, graduate engineer, born in 1966, studied Mechanical Engineering at the Lübeck University of Applied Sciences and graduated also in business administration. He started at aerodyn in 1991 and worked on FEM analysis, component analysis and rotor blade development. In 2006, Osthorst became a partner in aerodyn and since then has been responsible for finances and accounting, and controlling as well as organization and work scheduling.