Our Authors

Arne Bartschat

Gruppenleiter Großlager / Group Manager Slewing Bearings


Dipl.-Ing. Christian Broer

Chief Operating Officer

Christian Broer, a graduate mechanical engineer, has developed industrial mechatronic drive components for aerospace, public transport, the navy, and the army. He joined the Fraunhofer IWES in [...]

Lissie de la Torre

Wissenschaftliche Mitarbeiterin / Research Associate

Lissie de la Torre, M.Sc. in Offshore Renewable Energy, has been working at Fraunhofer IWES since March 2022 as a research associate in the Offshore Logistics group. Her work focuses on the weather [...]

M.Sc. Enno Dietrich

Projektkoordinator / Project Coordinator

Enno Dietrich has held various positions in the wind energy industry since 2008, most recently at the Fraunhofer IWES in Bremerhaven since 2016. Since 2018, he has been a member of the RAVE [...]

Dr. Martin Dörenkämper

Gruppenleiter Numerische Ertrags- und Standortanalyse / Group Manager Numerical Yield and Site Assessment

Martin Dörenkämper, who holds a doctorate in physics and energy meteorology, has been researching the interaction of atmospheric currents and wind farms since 2011. He joined the Fraunhofer IWES in [...]

Paul Robert Feja

Gruppenleiter Prüf- und Methodenentwicklung / Group Manager Test and Method Development

Paul Robert Feja is the group manager for Test and Method Development at Fraunhofer IWES, focusing on the simulation of wind turbine drivetrains and test benches. He studied mechanical engineering at [...]

Dr.-Ing. Katharina Fischer

Senior Scientist

Katharina Fischer has been a Senior Scientist at Fraunhofer IWES in Hanover since 2012. After completing her degree in electrical engineering and earning a doctorate in mechanical engineering, she [...]

Gino Frielinghaus

Abteilungsleiter Baugrunderkundung | Head of Department Sub-surface Investigations


Dr. Julia Gottschall

Chief Scientist

Julia Gottschall, who holds a doctorate in wind physics, has been employed as a senior scientist at the Fraunhofer IWES in Bremerhaven since 2011. As project manager of the national subproject funded [...]

M.Sc. Matthis Graßmann

Wissenschaftlicher Mitarbeiter / Research Associate

Matthis Graßmann, M.Sc., has been working at the Fraunhofer IWES since May 2019 and specializes in the FE simulation of rolling bearings. His core competences include computational simulations in [...]

Dr. Martin Kohlmeier

Wissenschaftlicher Mitarbeiter / Research Associate

Martin has been researching in the field of wind energy for almost twenty years. In 2011, he joined the Support Structures Department of Fraunhofer IWES, where he was initially responsible for the [...]

Dr. Bernhard Lange

Technischer Direktor / Chief technology Director

Bernhard Lange is a division manager for the topic of “Wind farm development” at the Fraunhofer IWES. He studied physics at the Universities of Konstanz, Edinburgh, and Oldenburg before earning [...]

Loïs Legendre

Projekt- & Betriebsmanager, Windmessung und -charakterisierung / Project & Operations Manager, Wind Measurement and Characterization

Loïs Legendre has been working as a Project Manager and Offshore Operations Manager in the Wind Measurement and Characterization Department at Fraunhofer IWES since August 2021. He has over 15 years [...]

Dr. Eng. Mareike Leimeister

Wissenschaftliche Mitarbeiterin / Research Associate

Mareike Leimeister, who holds an engineering doctorate in renewable energy marine structures, has been researching the fully coupled system behavior of floating wind turbines and design optimization [...]

Matthias Lindermann

Wissenschaftlicher Mitarbeiter / Research Associate

Matthias gained his M.Sc. in mechanical engineering with a special focus on development and production at Osnabrück University of Applied Sciences in 2014. Since 2016, he has been a member of the [...]

Aline Luxa

Wissenschaftliche Mitarbeiterin / Research Associate

Aline received her B.Sc. and M.Sc. in Energy and Process Engineering from the Technical University of Berlin in 2017 and 2020, respectively. Since 2020, she has been part of the Application Center [...]

M.Sc. Oliver Menck

Wissenschaftlicher Mitarbeiter / Research Associate

Oliver Menck graduated with a degree in mechanical engineering and mechatronics before accepting a position at the Fraunhofer IWES. He is particularly interested in interdisciplinary, complex, [...]

Telsche Nielsen

Leiterin Wissenstransfer und Hochschulkooperationen | Head of Knowledge Transfer and University Cooperations

Telsche Nielsen studied physics and university didactics and has been researching knowledge transfer since 2005. She joined the Fraunhofer IWES as a research associate in 2013. She is head of the [...]

Erik Patschke

Abteilungsleiter Windmessung und -charakterisierung / Head of Department, Wind Measurement and Characterization

Erik Patschke leads the Wind Measurement and Characterization Department at Fraunhofer IWES since 2018. He started his career in the wind industry by joining Siemens Gamesa Renewable Energy in [...]

M.Sc. Niklas Requate

Wissenschaftlicher Mitarbeiter / Research Associate

Niklas works at the IWES on intelligent methods for operational management of wind energy systems considering reliability. The systems considered can be individual wind turbines, entire wind farms, [...]

Prof. Andreas Reuter

Institutsleiter / Managing Director

Andreas Reuter works as professor for wind energy technology at the Leibniz University of Hannover and is the Managing Director of Fraunhofer IWES with a total of 250 scientific employees and a [...]

Dr. Jonas Schulte

Senior Scientist

Jonas has been working in the field of wind energy research for more than ten years. He joined the department of Wind Farm Planning and Operation at Fraunhofer IWES in 2011, where he is responsible [...]

Muhammad Omer Siddiqui

Wissenschaftlicher Mitarbeiter / Research Associate

Muhammad Omer Siddiqui is a research associate in the Test and Method Development Group at Fraunhofer IWES. He studied mechanical engineering at NUST Pakistan and obtained his master’s degree in [...]

Steffen Sø​​​​​​​rensen

Key Account Manager Dänemark / Denmark

Steffen Sørensen has been working at leading wind turbine manufacturers for more than 20 years and his core skills lie in mechanical system and overall WTG system engineering. In recent years, his [...]

Dr.-Ing. Matthias Stammler

Senior Engineer

Matthias Stammler is a Senior Engineer at the IWES’ Large Bearing Laboratory. He develops, acquires, and works on projects in the field of rolling bearing research. Matthias studied vehicle [...]

Dipl.-Ing. Philipp Thomas

Gruppenleiter Gesamtanlagendynamik / Group Manager Global Turbine Dynamics

Philipp Thomas, a mechanical engineer, has been conducting research in the field of the dynamics of wind turbines at the Fraunhofer IWES since 2012. He develops numerical models for the load [...]

Dr. Lukas Vollmer

Wissenschaftlicher Mitarbeiter / Research Associate

Lukas Vollmer uses flow models and an immense quantity of wind farm data in his work at the Fraunhofer IWES aimed at better understanding of wind farm performance. His doctoral thesis investigated [...]

Urs Wahl

Senior Manager Politik und Regierungsangelegenheiten / Berater für Public Affairs & Experte für Energiepolitik / Senior Manager Policy and Government Affairs / Consultant for Public Affairs & Expert in Energy Policy

Urs Wahl is a freelance public affairs consultant and energy policy expert. After completing his degree in political science in Bremen and Tampere, he worked as a personal assistant to a Member of [...]

Julia Walgern

Gruppenleiterin Technische Zuverlässigkeit / Group Manager Technical Reliability

Julia Walgern is the group manager of the group Technical Reliability and holds a master’s double degree in mechanical and electrical engineering. Julia has been working on different O&M [...]

M.Sc. Marcus Wiens

Wissenschaftlicher Mitarbeiter / Research Associate

Marcus Wiens, M.Sc. Energy Engineering, has been working as a research associate at Fraunhofer IWES since 2019. His work focuses on the development of control systems for wind turbines and the [...]

M.Sc. Vincent Wilms

Wissenschaftlicher Mitarbeiter / Research Associate

After studying wind energy technology and embedded system design, Vincent Wilms began working in the field of measuring technology for a wind turbine manufacturer. He has been part of the Application [...]

M.Sc. Sarah Zwick

Gruppenleiterin Windmesskampagne / Group Manager Wind Measurement Campaign Operations

Sarah Zwick, M.Sc. Production Engineering, has been working as a Project Manager and Offshore Operations Manager in the "Wind Measurement and Characterization Department" at Fraunhofer IWES since [...]