Books
Köllen T (Ed.) (2016) Sexual Orientation and Transgender Issues in Organizations - Global Perspectives on LGBT Workforce Diversity. Heidelberg/New York: Springer. 589p. 33 chapters.
Köllen T (2010) Bemerkenswerte Vielfalt: Homosexualität und Diversity Management - Betriebswirtschaftliche und sozialpsychologische Aspekte der Diversity-Dimension 'sexuelle Orientierung'. [engl. Recognizable Diversity: Homosexuality and Diversity Management – Economical and social-psychological aspects of “sexual orientation” as diversity dimension]. Munich, Mering: Hampp.
Journal Articles (refereed)
Hennekam S, Köllen T (online first) Trapped in cisnormative and binarist gendered constraints at work? How HR managers react to and manage gender transitions over time. The International Journal of Human Resource Management
Köllen T, Schneeberger D (online first) Avoiding unnecessary suffering: Towards a moral minimum standard for humans’ responsibility for animal welfare. Business Ethics, the Environment & Responsibility (open access / gratis verfügbar)
Ng E, Posch A, Köllen T, Kraiczy N, Thomas N (online first) Do “one-size” employment policies fit all young workers? Heterogeneity in work attribute preferences among the Millennial generation. BRQ Business Research Quarterly (open access / gratis verfügbar).
Pulcher S, Guerci M, Köllen T (2022) When stakeholders claim differently for diversity management: Adopting lesbian, gay and bisexual inclusive practices in Italy. British Journal of Industrial Relations 60(4): 815–840 (open access / gratis verfügbar)
Köllen T, Rumens N (2022) Challenging cisnormativity, gender binarism and sex binarism in management research: foregrounding the workplace experiences of trans* and intersex people. Gender in Management 37(6): 701–715
Köllen T (2022) What makes a good diversity manager? A virtue-based perspective. Business and Professional Ethics Journal 41(2): 217–239 (open access / gratis verfügbar)
Köllen T (2021) Diversity Management: A critical review and agenda for the future. Journal of Management Inquiry 30(3):259-272
Köllen T, Kopf S (2022) Ostracism and nationalism in the workplace: Discursive exclusionary practices between cultural and geographic neighbors. Review of Managerial Science 16: 583–615 (open access / gratis verfügbar)
Köllen T (2020) Worshipping equality as organizational idolatry? A Nietzschean view of the normative foundations of the diversity management paradigm. Scandinavian Journal of Management 36(2): 1-9
Köllen T, Koch A, Hack A (2020) Nationalism at work: Introducing the “Nationality-Based Organizational Climate Inventory” and assessing its impact on the turnover intention of foreign employees. Management International Review 60: 97-122 (open access / gratis verfügbar)
Pulcher S, Guerci M, Köllen T (2020) Unions as institutional entrepreneurs: The contribution of unions to the diffusion and adaptation of LGBT diversity initiatives. Journal of Organizational Change Management 33(3): 477-490
Köllen T, Kakkuri-Knuuttila M-L, Bendl R (2018) An indisputable “holy trinity”? On the moral value of equality, diversity, and inclusion. Equality, Diversity, and Inclusion 37 (5): 438-449
Köllen T (2017) Minority rights and minority protection in Europe (Book Review). Equality, Diversity, and Inclusion: An International Journal 36 (7): 692 - 696
Köllen T (2016) Acting out of compassion, egoism and malice: A Schopenhauerian view on the moral worth of CSR and diversity management practices. Journal of Business Ethics 138 (2): 215-229
Köllen T (2016) Lessening the difference is more – the relationship between diversity management and the perceived organizational climate for gay men and lesbians. International Journal of Human Resource Management 27 (17): 1967-1996
Köllen T (2016) Reconceptualizing profit-orientation in management: A Karmic view on ‘return on investment’ calculations. Philosophy of Management 15 (1):7-20 (open access / gratis verfügbar)
Greth J, Köllen T (2016) Perceived Anti-Germanism in Austria. Studies in Ethnicity and Nationalism 16 (1): 40-62 (open access / gratis verfügbar)
Köllen T (2015) The impact of demographic factors on the way lesbian and gay employees manage their sexual orientation at work: An intersectional perspective. Management Research Review 38 (9): 992-1015
Góis J, Hanappi-Egger E, Köllen T (2013) National differentiations of diversity management: A historic–institutional framework for a comparison of Europe and South America. The International Journal of Organizational Diversity 12 (3): 41-52
Köllen T (2013) Bisexuality and diversity management - Addressing the B in LGBT as a relevant sexual orientation in the workplace. Journal of Bisexuality 13 (1): 122-137
Köllen T (2012) Privatsache und unerheblich für Unternehmen? Der Stand der Personalforschung zur "sexuellen Orientierung. Zeitschrift für Personalforschung (ZfP) 26 (2): 143-166 [engl: “Just a Private Affair and Irrelevant for Companies? The State of the Art in Human Resource Research Regarding “Sexual Orientation””. German Journal of Research in Human Resource Management 26 (2): 143-166] (open access / gratis verfügbar)
Bendl R, Eberherr H, Hanappi-Egger E, Hermann A, Köllen T, Mensi-Klarbach H, Warmuth GS (2012) 10 Jahre später: Reflexionen über die Etablierung eines Lehrangebots zu Diversitätsmanagement in der universitären betriebswirtschaftlichen Ausbildung an der Wirtschaftsuniversität Wien. Diversitas: Zeitschrift für Managing Diversity und Diversity Studies 6 (1-2): 23-32
Köllen T (2012) European disintegration: Tendencies of renationalization within the European Union and its impact on the common labor market and EU consumer markets. The International Journal of Diversity in Organisations, Communities and Nations 11 (5): 117-138 (open access / gratis verfügbar)
Reports
Köllen T (2016) Arbeitssituation und Arbeitsklima für Deutsche in Österreich (Working climate for German employees in Austria). (open access / gratis verfügbar)
Köllen T (2015) Arbeitssituation und Arbeitsklima für Deutsche in der Schweiz (Working climate for German employees in Switzerland). (open access / gratis verfügbar)
Köllen T (2010) Bemerkenswerte Vielfalt – Homosexualität und Diversity Management (Kurzbericht). (open access / gratis verfügbar)
Book Chapters (refereed)
Köllen T (2021) Sexual orientation and gender identity in the workplace. In: Zimmermann KF (Hg.) Handbook of Labor, Human Resources and Population Economics, pp 1-15. Cham: Springer
Pulcher S, Köllen T (2021) The LGBT diversity index. In: Ng ES, Stamper CL, Klarsfeld A, Han YJ (Eds.) Handbook on Diversity and Inclusion Indices, pp 219–229. Edward Elgar, Cheltenham
Köllen T (2018) Declining career prospects as “transition loss”? On the career development of transgender employees. In: Broadbridge A & Fielden S (Eds.), Impact of Diversity on Career Development, pp. 486-498. Cheltenham: Edward Elgar Publishing.
Köllen T, Müller-Camen M (2016) Ethics, Human Rights, and Human Resource Management. In: Stone J, Rutledge D, Polly R, Anthony S, Xiaoshuo H (Eds.), Wiley-Blackwell Encyclopedia of Race, Ethnicity, and Nationalism, pp. 1-3. Hoboken: Wiley-Blackwell.
Köllen T (2016) Intersexuality and trans-identities within the diversity management discourse. In: Köllen T (Ed.) Sexual Orientation and Transgender Issues in Organizations - Global Perspectives on LGBT Workforce Diversity, pp. 1-20. Heidelberg/New York: Springer.
Köllen T (2016) Intersexualität und Transidentität im Diversity Management. In: Gennkova P & Ringeisen T (Eds.), Handbuch Diversity Kompetenz: Gegenstandsbereiche, pp. 1-17. Wiesbaden: Springer Fachmedien.
Köllen T (2015) Organisationales Diversity-Klima. In: Hanappi-Egger E & Bendl R (Eds.), Diversität, Diversifizierung und (Ent)Solidarisierung - Eine Standortbestimmung der Diversitätsforschung im deutschen Sprachraum, pp. 223-236. Wiesbaden: Springer VS.
Bendl R, Eberherr H, Hanappi-Egger E, Hermann A, Köllen T, Kutscher G, Mensi-Klarbach H, Warmuth GS (2015) Gender and Diversity in Management Education at Europe's Largest University of Economics and Business: An evaluation of 12 years of teaching diversity management at the WU Vienna. In: Flynn PM, Haynes K, & Kilgour MA (Eds.), Integrating Gender Equality into Business and Management Education, pp. 216-235. Sheffield: Greenleaf Publishing.
Köllen T (2014) Diversity management in the European health care sector – Trends, challenges, and opportunities. In: Gurtner S & Soyez K (Eds.), Challenges and Opportunities in Health Care Management, Heidelberg/New York: Springer.
Köllen T (2014) A review of minority stress related to employees' demographics and the development of an intersectional framework for their coping strategies in the workplace. In: Perrewé P, Halbesleben J, Rosen C (Eds.), Research in Occupational Stress and Well Being (12), pp. 41-82. Bingley: Emerald.
Köllen T (2014) Belegschafts- und PatientInnen-Diversität in Krankenhäusern: Status quo, Entwicklungstendenzen und Ansätze für deren Management in Deutschland, Österreich und der Schweiz. In: Bouncken RB, Pfannstiel MA, Reuschl AJ (Eds.), Dienstleistungsmanagement im Krankenhaus II - Prozesse, Produktivität, Diversität, pp. 519-537. Heidelberg: Springer.
Köllen T (2011) "Sexuelle Orientierung“ – Bedeutung und Implementierungsansätze einer zentralen Diversity-Dimension. In: Pauser N & Wondrak M (Eds.), Praxishandbuch Diversity Management, pp. 161-173. Vienna: Facultas Verlag.
Book Chapters (non refereed)
Köllen T (2014) Diversity Management zu den Dimensionen 'Sexuelle Orientierung' und 'Geschlechtsidentität'. In: Nutzenberger S & Welskop-Deffaa EM (Eds.), Aufregend bunt, vielfältig normal! Managing Diversity in Betrieb und Verwaltung, pp. 162-175. Hamburg: VSA Verlag.