SUM Project Leader
Professor Ruth Oldenziel

SUM Coordination
Dr. Frank Schipper

SUM Staff
Dr. Mila Davids
Professor Hans Jeekel 
Dr. Karena Kalmbach
Dr. Sukanya Krishnamurthy
Dr. drs. ing. Gijs Mom
Professor Jan Pieter Smits
Dr. Andreas Spahn
Dr. Frank Veraart
Professor Geert Verbong
Professor Pieter van Wesemael
Dr. Anna J. Wieczorek

SUM PhD and Post-doc Researchers Bicycle Challenges
Patrick Bek
Matthew Bruno
Henk-Jan Dekker
Lisanne Kusters
George Liu
Brett Petzer
Ir. Jan Ploeger
Carlton Reid
Sun Qi

SUM Visiting Scholars
Professor Peter Norton, 2018
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

Authors
Dr. Eric Berkers
Dr. Peter Cox
Dr. Hans Buiter
Dr. Pascal Delheye
Dr. Maxime Huré
Dr. Stijn Knuts
Dr. Manuel Stoffers
Katalin Tóth

Manager
Dr. Jan Korsten

Webmaster
Patrick Bek