Ewa Kloss was born in Siedlce/Poland. She studied German philology in Warsaw, Urban Planning in Kaiserslautern/Germany and Vienna. She worked as Urban Planner in the office PlanSinn and as curator assistent at the special exhibition “Urban future” at the Technical Museum of Vienna.

Roland Kloss was born in Linz/Austria, studied Environmental System Sciences and Geography in Graz and Urban Planning in Vienna, with exchange semesters in Kamloops/British Columbia and Bordeaux/France. He worked as an expert for integrative urban energy planning in the Energy Center Wien, where he was also project manager for the H2020 project „Urban Learning“. At present he works in the urban planning office Kampus in Graz.

Ewa and Roland got to know each other at studying Urban Planning at the Technical University of Vienna. Together they carried out several projects. The project Linzerstraße – wo geht’s hin 2013 was presented in the media, where a participation process was initiated.


After the big tandem crossover tour 2016 they settled in Graz/Austria, where they advocate for bicycle-friendly urban development and run the crossover network.