SUM Project Leader
Professor Ruth Oldenziel

SUM Staff
Dr. Frauke Behrendt
Dr. Mila Davids
Em. Professor Hans Jeekel 
Em. Dr. drs. ing. Gijs Mom
Professor Jan Pieter Smits
Dr. Andreas Spahn
Dr. Frank Veraart
Em. Professor Geert Verbong
Professor Pieter van Wesemael
Dr. Anna J. Wieczorek

SUM PhD and Post-doc Researchers Bicycle Challenges/Micromobility
Patrick Bek
Peter Bird
Matthew Bruno
Hanbit Chang
Henk-Jan Dekker
Clara Glachant
George Liu
Brett Petzer
Jan Ploeger
Carlton Reid
Leon Vauterin
Sun Qi

SUM Visiting Scholars
Dr. Joshua Micah Grolman, 2023 August
Dr. Fariya Sharmeen  2019-2021
Bernardo Pereira  2019
Professor Peter Norton  2018-2019
Leticia Lindenberg Lemos   2018-2019
Michal Ďurčo  Spring 2018
Riho Paramonov  November 2016
Dr. Martin Emanuel  2015-2017

SUM Affiliated Scholars
Dr. Adri Albert de la Bruhèze
Dr. Colin Divall
Dr. ir. Sue-Yen Tjong Tjin Tai

SUM Cycling Cities Project Editors
Professor Ruth Oldenziel
Dr. Martin Emanuel
Dr. Adri Albert de la Bruhèze
Dr. Frank Veraart

SUM Cycling Cities Authors
Dr. Eric Berkers; Dr. Patrick Bek; Ákos Bereczky; Frans Botma; Dr. Peter Cox; Péter Dalos; Conn Donovan; Dr. Hans Buiter; Dr. Pascal Delheye; Dr. Maxime Huré; Dr. Stijn Knuts; Kevin Long; Dr. Njogu Morgan; Dr. Frank Schipper; Dr. Manuel Stoffers; Dr. Katalin Tóth

SUM Cycling Cities Coördinator
Dr. Eric Berkers

SUM Cycling Cities Manager
Dr. Jan Korsten