Johan Joor studied Economic and Social History at the University of Amsterdam. He obtained his PhD in 2000 on De Adelaar en het Lam: onrust, opruiing en onwilligheid in Nederland ten tijde van het Koninkrijk Holland en de Inlijving bij het Franse Keizerrijk (1806-1813), een studie naar protest in Nederland in de Napoleontische tijd. (The Eagle and the Lamb: unrest, sedition and reluctance in the Netherlands at the time of the Kingdom of Holland and the annexation to the French Empire (1806-1813), a study of protest in the Netherlands during the Napoleonic era).
After his PhD he worked as an independent historical researcher for numerous national and international companies and institutions. During his work as an independent historian he remained active as a researcher of the history of the Netherlands in the Napoleonic era. He is an internationally renowned specialist in this field and has given lectures on this subject at numerous historical scientific symposiums and forums. Together with Prof. Dr. Katherine Aaslestad of West Virginia University he organised a congress on the Continental System, the results of which will be published in 2015 in the collection Revisiting Napoleon’s Continental System: Local, Regional and European Experiences. He has been an honorary fellow at the International Institute of Social History in Amsterdam since June 2007 and joined Huygens ING on 1 June 2016 to work with Prof. Marjolein ‘t Hart on the NWO/FWO research project: Resilience in times of crisis: The Role of Local Networks and Institutions in the Low Countries during the Napoleonic Period.