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Expertise – Germany

SUMP experts in Germany

Axel Ahrens is professor emeritus at the Institute for Transport Planning at the Technische Universität Dresden. He studied civil engineering with the focus on urban and transportation planning at the technical universities of Braunschweig/Germany and Carnegie-Mellon, Pittsburgh, U.S.A. He chaired the working group that developed and published the German technical guidelines on “Integrated Mobility and Transport Planning” (SUMP) in 2013. In many cities Axel Ahrens served as a scientific advisor on how to conduct their SUMPs. Before he became professor at the Technical University of Dresden in the year 2000, he was the Head of the Department of Transportation in the City State of Bremen. Already from 1991 to 93 he directed the city’s and region’s Transport Masterplan as an early SUMP and integrated planning approach. You can find an interview with Axel Ahrens on the situation of SUMP in Germany here.


Wulf-Holger Arndt is head of the research unit “Mobility and Space” in the Center for Technology and Society (ZTG) at Technical University of Berlin. He is leading research projects in transportation planning in international context, climate change and transport system as well as commercial transport besides EU in several countries as China, Egypt, Iran and Argentina. He is giving lectures in Sustainable Urban Mobility Planning. Other research fields are smart cities, flexible planning methods and barrier-free mobility. Since May 2009 he works at the German Institute of Urban Affairs (DIfU) in an additional employment. Dr. Arndt is working intensively to the topic of Sustainable Urban Mobility Plans in projects as SUMRICA – Sustainable Mobility Research in Central Asia or PROSPERITY – Prosperity through innovation and promotion of Sustainable Urban Mobility Plans. His main focus in SUMP is the planning procedures, impact estimation and the integration of commercial transport (urban freight transport).

Susanne Böhler-Baedeker has about 25 years of professional experience in sustainable urban development as a spatial planner and as an expert for planning and research projects on sustainable urban transport. She received her diploma from the Technical University of Dortmund, Faculty of Spatial Planning, in 1996 and her PhD from the Chair of Transport and Traffic Planning in 2010. From 1997, she worked first as a research associate at the Wuppertal Institute for Climate, Environment, Energy GmbH and most recently as deputy research group leader for energy, transport and climate policy. Since 2013, she has been working at Rupprecht Consult – Forschung & Beratung GmbH, where she leads the team “Integrated Planning” and coordinates the company’s activities in the field of urban and regional mobility planning, especially on SUMP. During her now 8 years at Rupprecht Consult, she has been involved in large European and international SUMP development projects as project coordinator, leader of SUMP related work packages and as trainer for SUMP. In addition, Susanne has consulted numerous cities on their SUMP development. She is the co-author of the 2013 European SUMP guidelines and the 2019 new edition, as well as the author of the 2020 SUMP Crisis Resilient Planning Guide.

Andreas Falkowski studied transport business administration from 1999 to 2003 at the Ostfalia University of Applied Sciences in Salzgitter and subsequently worked for various transport companies. Since 2015 he is employed at VRS Verkehrsverbund Rhein-Sieg GmbH in the mobility management department, where the Future Network Mobility NRW is also located. In his work he is advising districts, cities and municipalities on the creation of municipal mobility concepts (SUMPs). He is also the head of NRW State Expert Committee on Municipal Mobility Concepts and a trained municipal mobility manager (2020). He participated in the CIVITAS SUMPs-Up Project SUMP Learning Program 5 (2020) and is co-editor of the handbook “Municipal Mobility Concepts” (published in April 2021).

Niklas Sieber is Senior Expert for transport and environment with a specialisation on sustainable urban transport. He has 32 years of experience in transport economics and evaluation, environmental and social design of sustainable transportation. Sieber carries a doctorate in transport economics, as well as post graduate degree in regional planning. He has worked as Senior Advisor on transport policy, organisation and management and human capacities. He has special knowledge on the interaction of transport and regional planning with emphasis on urban structures that avoid transport, favour public transit and non-motorised modes. Since more than 20 years he has been working as self-employed consultant.
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