His research is focused on the social, economic, and consumption history of the Ottoman Empire and Turkey. Particularly, he is interested in the effects of modernization and globalization in the late Ottoman Empire. Other major topics Köse is engaged with are the environmental history and the emergence and development of tourism in the Ottoman Empire and modern Turkey.

Since 2019: Professor for Ottoman and Turkish Studies (Chair), Department of Neaer Eastern Studies, University of Vienna

2010-2018: W3-Professor for Turkology (Deputy Chair), Asien-Afrika-Institut, University Hamburg

2008-2010: Assistant Professor (akademischer Rat (a.Z.), Institut für den Nahen und Mittleren Osten, Ludwig-Maximilians-Universität München

2001-2008: Research Assistant, Institut für den Nahen und Mittleren Osten, Ludwig-Maximilians-Universität München

2001: Magister Artium in History and Culture of the Near East and Turkish Studies (major), Psychology and Economics (both minor), Ludwig-Maximilians-Universität München

1995-2001: MA in History and Culture of the Near East and Turkish Studies (major), Marketing and Adverstising psychology and Economics (both minor), Ludwig-Maximilians-Universität München

Since June 2024
Head of the Department of Near Eastern Studies

Since January 2024
Vice Speaker Doctoral School of Philological and Cultural Studies

October 2022 - June 2024
Deputy Head of the Department of Near Eastern Studies

Since Noveber 2022
Spokesperson Professors of the Faculty of Philological and Cultural Studies

Since October 2020
Vice-Study programme director DSPL (42)

2020-2022
Member of SPL - STUKO

Since October 2020
Member of the "Fakultätskonferenz"

2012-2018
Chairman of the B.A. and M.A. Examinations board, Asien-Afrika-Institut, University of Hamburg

2017-2018  
Head of the Master selection committee, Department of Middle Eastern Studies, Asien-Afrika-Institut, University of Hamburg

2013-2018
Member of the Commission of Teaching and Studies, Asien-Afrika-Institut, University of Hamburg

2013-2017 
Deputy member of the Commission of Teaching and Studies, Faculty for Humanities, University of Hamburg

2011-2018 
Speaker TürkeiEuropaZentrum Hamburg (TEZ), University of Hamburg

2011-2017
Head and Deputy head of Department Middle Eastern Studies,  Asien-Afrika-Institut,
University of Hamburg

since 2019
Editorial board member, Wiener Zeitschrift für die Kunde des Morgenlandes (WZKM) 

since 2018
Co-founder, Editorial board member and Chief editor, Diyâr. Journal for Ottoman, Turkish and Middle Eastern Studies 

2012-2019
Co-editor, Junge Perspektiven der Türkeiforschung in Deutschland (Springer VS Verlag)

• Band 1: Junge Perspektiven der Türkeiforschung in Deutschland
• Band 2: Die Türkei im Spannungsfeld von Kollektivismus und Diversität
• Band 3: Grenzräume - Grenzgänge - Entgrenzungen
• Band 4: Umbrüche – Krisen – Widerstände

since 2025
Society for Armenian Studies (SAS)

since 2015
President of the Society for Turkic, Ottoman and Turkish Studies (GTOT e.V.)

since 2015
Founding member of the Consortium for European Symposia on Turkey (CEST)

2010-2017
Board member Deutsch-Türkische Gesellschaft e.V. (DTG)

since 2009
Südosteuropa-Gesellschaft (SOG)

since 2004
Founding member Münchner Zentrum für Islamstudien (MZIS)

Membership in academic associations

• Business History Conference (BHC)
• Conference on Historical Analysis and Research in Marketing (CHARM)
• Deutsche Arbeitsgemeinschaft Vorderer Orient (DAVO)
• Middle East Studies Association (MESA)

Supervised PhDs (selection)

University of Vienna

• Ayşe Dilsiz Hartmuth (Praedoc Assistant), The Politics of Cultural Heritage in Turkey since 1923: Changing Approaches to the Nation’s Material Past 
  
  
• Julia Brigitte Fröhlich, Odyssey across the Aegean. The Exodus of Greek Jews (1943 1944) and the Network of Collective and Corporate Actors affecting their Agency (ÖAW Doc Fellow)
  
  
• Deniz Özeren, Strategies of survival: 19th and early 20th-century grocers in Istanbul as important urban actors in the supply chain and financial networks (FWF funded)
  
  
• Tobias Völker, Der Hamburger Diplomat und Orientalist Andreas David Mordtmann (1811-1879) als Zeitzeuge der spätosmanischen Geschichte und früher Vertreter der Disziplin der Osmanistik (DFG, third-party funding)
  
  
• Alptuğ Güney, Eine Untersuchung zur Entstehung und Analyse eines Geschichtswerks über die Osmanen im frühen 18. Jahrhundert: Dimitrie Cantemirs „Geschichte des Osmanischen Reiches nach seinem Anwachse und Abnehmen“ (HerCoRe project, third-party fundig, Volkswagen Foundation, finished, 2024)

University Hamburg

• Gabriel Cloeters, Frauenbewegung und feministische Öffentlichkeiten: Die Medien der Frauenbewegung in der Türkei seit den 1980er Jahren (scholarship, finished, 2021)
  
  
• Maria Bruckmann, Women’s Work and Property: From Ottoman Empire to Turkish Republic. A Case Study based on the Files of Female Customers and Employees at the Banque Impériale Ottomane (1863-1933) (scholarship)

Co supervisor

• Wiebke Hohberger, Constructing Turkey‘s European Identity: Discourses in the Council of Europe‘s Consultative Assembly, 1949-1963 (finished, 2021)