About Transport Data Commons Initiative
Full list of participating organisationsTransport Data Commons is a initiative of individuals and organisations who are passionate about sustainable transportation and want to increase the use and impact of data in this sector. Our focus is on creating a common platform where transport-related data can be shared, analyzed, and utilized to help make informed decisions and create sustainable transportation solutions.
Through collaboration and open sharing of data, our aim is to foster innovation and drive positive change in the transportation industry.
The People Behind TDC
The TDC team consists of dedicated professionals who are passionate about sustainable transportation and are committed to facilitating data sharing, analysis, and collaboration for the benefit of the community.

I am currently heading GIZ's global projects on transport and climate change TraCS and TRANSfer - both funded by the German Ministry for the Environment. From 2011 to 2015, I have lived in Beijing and headed various sustainable transport projects in China. Interested in a broad range of topics (e.g. urban mobility, freight and logistics, green hydrogen (PtX), electromobility), my passion is to understand and reduce transport emissions. Before joining GIZ in 2009, I researched sustainable mobility at the German think tank Wuppertal Institute for Climate, Environment and Energy.

James Dixon is Lecturer in Transport at the University of Strathclyde, working on open analytical tools and data to support the development of clean & equitable transport system pathways. In the Transport Data Commons, he is part of the Data Architecture team and the Expert Prototype team.

François Cuenot is the secretary of the Working Party on Pollution and Energy (WP.29/GRPE) at UNECE, working towards cleaner and more efficient mobility. He is also the coordinator for the For Future Inland Transport System (ForFITS) workstream, aiming at providing foresight on tranasport, energy and climate nexus.

I am a Research Scholar at IIASA in the Energy, Climate, and Environment program. My research focuses on transportation demand growth in economies worldwide; consequent energy demand and environmental impacts; and technology and policy options for sustainable mobility. I am interested in data, methods, and models that can be used to understand emerging technologies, new policies, and uncertain trends in transport. These assessments inform decisions in pursuit of climate, environmental, and economic goals. In particular, I believe that the trajectories of China, India, and other emerging/transition economies will be decisive and informative as we seek to make transport compatible with global sustainability. I also see O/FAIR practices as essential to the equity of systemic change in transport systems, because they reduce barriers and allow stakeholders to have direct ownership of processes of measurement, modeling, and assessment. To these ends, I am a co-organizer of the iTEM consortium and active in developing and promoting open source research software for data handling and modeling.

Marie Colson has been working in the field of sustainable transport for the past 15 years, first at Siemens in the Mobility Consulting department and since 2016 at ifeu. The ifeu (Institute for Energy and Environment) is a non-profit organisation that has been researching and advising on all major environmental and sustainability issues in international, European and German projects for 40 years. Marie works on the modelling of greenhouse gas and pollutant emissions with the TREMOD model (Transport Emission Model for Germany) as well as with other tools developed by ifeu: the Mobilise your City emissions calculator and the KfW mobility emissions tool.

Nikola Medimorec is the Director of Data Analysis and Research at the SLOCAT Partnership, where he leads efforts in gathering and analysing key data on transport, climate change and sustainable development. His work supports SLOCAT’s knowledge products and advocacy, including the SLOCAT Transport, Climate and Sustainability Global Status Report, which provides critical insights on the state of climate action in the transport sector. He is also the key focal point from SLOCAT on the assessment work for the GIZ-SLOCAT NDC Transport Tracker, for which he has conducted dozens of studies on Nationally Determined Contributions and long-term low-emission development strategies. Nikola holds a Master's in Urban Geography from Seoul National University and a Bachelor’s in Applied Geography from Trier University. He is currently based in Seoul, South Korea.

Fadiah Achmadi is the Secretary to the Working Party on Transport Statistics at the United Nations Economic Commission for Europe (UNECE), where she is responsible for maintaining the UNECE transport statistics database and overseeing its dissemination. She has accumulated over 15 years of specialized work experience in sustainable mobility. Throughout her career, she has had the privilege of supporting various organizations in both developed and developing nations across four continents.

Maruxa Cardama is the Secretary General of the SLOCAT Partnership. Passionate about socio-economic and environmental justice; over the past 20 years Maruxa has worked with leaders in government, multilateral institutions, civil society, philanthropy and business across continents to advance solutions for equitable prosperity and climate change. Her areas of focus are public policy development, capacity building and multi-stakeholder partnerships.

Mr. Leather leads ADB's Sustainable Transport Initiative, providing support to ADB's transport operations across Asia and the Pacific and acts as the transport focal point for ADB with international organizations. He is also a Committee member of the transport community of practice and urban community of practice within ADB.

I am a Junior Specialist for Transport Data and Digitalization at the German Development Cooperation (GIZ). With a background in Europe and Latin America, I am passionate about integrated data-driven approaches to fight climate change on a global scale. I hold a master's degree in Industrial Engineering at Karlsruhe Institute for Technology, where I particularly focused on the topics of simulation, machine learning and mobility data. Previously, I worked for KIT’s chair for Economic Policy as well as for the Data Science team of Mercedes-Benz Tech Innovation.

Pierpaolo Cazzola is Director of the European Transport and Energy Research Centre and Global Research Fellow at the Center on Global Energy Policy of the School of International Public Affairs at Columbia University. He has extensive experience with transport, energy and environmental data and analysis, thanks to more than 20 years spent working internationally, for organisation that inlcude the United Nations, the International Energy Agency, the International Transport Forum and the European Commission, always at the intersection of transport, energy and environmental sustainability.

Holger Dalkmann advises CCG on their national and international partnership strategy as well as leading the research on electrifying transport. He has over twenty-five years of experience working in the field of transport, cities, sustainability, and climate change. He is founder and CEO of his own business (Sustain 2030) based in Berlin, Germany. He operates as an independent consultant providing strategic and technical advice for a variety of organizations like the German Technical Cooperation (GIZ), Kreditanstalt für Wiederaufbau (KfW), World Bank, Asian Development Bank, Volvo Research Foundation (VREF), UNCRD, and Agora Verkehrswende. For FCDO, he works as a Senior Advisor on High Volume Transport (HVT) where he recently published several documents on COVID-19 impacts on the transport sector. He is a frequent speaker and moderator at international events. Since 2018 he has been a member of the Steering Committee of the World Conference for Transport Research Society. Holger is one of the co-founders of the Partnership on Sustainable Low Carbon Transport (SLOCAT). He has been on the SLOCAT board since 2013 and acted as Interim Secretary General in 2018. From 2011 until 2017 he worked for the World Resources Institute in Washington, D.C. He was Director for its Sustainable Mobility programme (EMBARQ), which catalysed environmentally and financially sustainable urban transport solutions to improve quality of life in cities with six offices around the world. He was responsible for more than 150 employees. During his former work at the UK-based consultancy, TRL, and for ten years at the Wuppertal Institute for Energy, Climate and Environment (Germany), a world respected think tank, Holger worked in more than thirty countries on mobility, environment, and climate change. Holger holds a Master’s degree in Geography and taught at the University of Duisburg and University of Trier. He has published over 100 articles including the influential Avoid-Shift-Improve concept.

As an urban geographer and a passionate cyclist, I have always been interested in transport and mobility. I am driven by a vision of sustainable mobility that enhances both the quality of human life and of the natural environment. Having lived in different cities around the world, I highly value international exchange and cooperation. I am convinced that global challenges require cooperative solutions. I am thus glad to support the TraCS project team in aligning transport and climate action plans in emerging economies and developing countries.
Events
Unlocking the Potential of Transportation Data: Insights, Innovations, and Best Practices for a Sustainable Future.

Transforming Transportation 2025 is the 22nd edition of this global transport forum. The 2025 edition will feature an in-person experience organized at the World Bank Headquarters in Washington, DC, as well as virtual access to all main forum session for global attendees. The main forum will take place on March 11 and 12, with additional days devoted to side events and partner meetings throughout the week.
Our Community
Unlocking the Potential of Transportation Data: Insights, Innovations, and Best Practices for a Sustainable Future.
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