• Research assistant at the Institute of Material Culture at the University of Oldenburg since 2007
• Since 2000, has been working as a freelance trainer and coach
• 2016–2021 Research assistant on the BMBF project FliF+: degree programme development at the Institute of Material Culture
• 2011–2016: Research assistant on the BMBF project FLiF: Research workshop ‘Methods of Cultural Analysis’
• 2006–2007 Employment officer at the Göttingen Employment Promotion Service
• 1999–2001 Head of Department at the Waldschlösschen Academy near Göttingen: Departments of Culture/Politics and Psychology/Self-Awareness
• 1994–1999 Museum educator, Hamburg Museum Service / Museum of Ethnology
• Studied ethnology, psychology, English language and literature, and gender studies in Freiburg, Basel, Hamilton (Canada), Hamburg, Oldenburg and Bremen (PhD 2014, Diplom 2013, Certificate 2000, Master’s degree 1996)
• Class of 1966

Authorship

• Homosexuality,cross-dressing and transgender: Cultural-historical and ethnographic analyses critical of heteronormativity. Oldenburg: ‘Schriften zur materiellen Kultur’ (online) see https://uol.de/materiellekultur/imkforschung/schriftenreihe-studien-zur-materiellen-kultur/publikationen (2015a).
• The Struggle for Positioning – Research by and on Two-Spirits: Gay, lesbian, bi, trans and inter-queer self-understanding in Indigenous North America. Oldenburg: ‘Schriften zur materiellen Kultur’ (online) see https://uol.de/materiellekultur/imkforschung/schriftenreihe-studien-zur-materiellen-kultur/publikationen (2014).
• (with Volker Weiss) Standardisation and Discrimination: Introductory Course on Homosexuality and Society II. Göttingen: Edition Waldschlösschen Materials (2003a).

Edited by

• (with Barbara Paul) Queer as …: Critical Research into Heteronormativity from an Interdisciplinary Perspective. Bielefeld: Transcript (2016a).
• Understanding Homosexuality: Critical Concepts for Psychological and Educational Practice. Hamburg: Edition Waldschlösschen in MännerschwarmSkript (2004a).
• Emancipation and Participation: Introductory Course on Homosexuality and Society III. Göttingen: Edition Waldschlösschen Materials (2004b).

Articles in academic anthologies and journals

• From Gay Liberation to LGBT*I* Rights and Queer Protests: Controversial Memories of Stonewall in (West) German Movements from the 1970s to the 2020s. In: Revue d’Allemagne et des pays de langue allemande 53 (2) (2021)
• LGBT*I*/Q Pride parades. Possibilities and limits of the politics of performance. In: Paul / Tietz 2016a: 193–224 (2016b).
• Queer Pride: Normativity or a critique of normativity? In: Volker Weiß / Bodo Niendel (eds.), Living Que(e)r to the Norm. Hamburg: MännerschwarmSkript: 40–64 (2012).
• ‘Holy Lesbians and Gay Men’? Homosexuality and Transidentity in Indigenous North America: Past and Present. In: Elisabeth Tuider (ed.), QuerVerbindungen. Interdisciplinary Approaches to Gender, Sexuality, Ethnicity. Berlin: Lit: 163–184 (2008).
• Gender Performances at Pride Parades: A Critique of Heteronormativity. In: Jutta Hartmann / Christian Klesse / Peter Wagenknecht / Bettina Fritzsche / Kristina Hackmann (eds.), Heteronormativity: Empirical Studies on Gender, Sexuality and Power. Wiesbaden: VS Verlag für Sozialwissenschaften: 197–218 (2007a).
• The ‘third gender’ in Indigenous North America: Intersexuality, transsexuality and homosexuality. In: Senate Department for Education, Youth and Sport (ed.), Male – Female – Human? Trans and Intersex. Berlin: Self-published by the editor: 103–111 (2006a).
• Queering Native North America. In: Women, Art, Science 39 (= College of Cultural Studies in Gender Studies (ed.), Gender Memory: Representations of Memory, Remembrance and Gender): 34–43 (2005).
• Homosexuality as a Perversion? Historical Dimensions of Psychiatric, Psychoanalytic and Psychological Concepts. In: Tietz 2004a: 9–59 (2004c).
• Gay Counselling: Gay- and Lesbian-Accepting Counselling and Therapy. In: Tietz 2004a: 60–91 (2004d).
• (with Elisabeth Tuider / Stefan Timmermanns) Exemplary methods for gay, lesbian and queer pedagogy and psychology. In: Tietz 2004a: 142–161 (2004e).
• (with Michael Bochow / Bastian Sanders) The Adenauer era as a second trauma: Why homosexual emancipation was virtually impossible in the 1950s and 1960s. In: Tietz 2004b: 27–44 (2004f).
• (with Rainer Marbach) The gay awakening in the 1970s. In: Tietz 2004b: 45–65 (2004g).
• Pride parades today: crystallisation or sell-out of gay emancipation? In: Tietz 2004b: 91–134 (2004h).
• (with Elisabeth Tuider) Queer Theory Made Accessible: A Critique of Identity Politics. In: Melanie Caroline Steffens / Michaela Ise (eds.), Yearbook of Lesbian – Gay – Psychology. Lengerich: Pabst: 155–168 (2003b).
• Two-Spirit as an Ethnic, Gender and Sexual Identity. In: Elfriede Hermann / Birgitt Röttger-Rössler (eds.), Life Paths at the Intersection of Local and Global Processes. Münster: Lit: 127–152 (2003c).
• Gay Sexuality and the Longing for Fulfilment: Between Transgression and (Self-)Normalisation. In: Tietz / Weiss 2003a: 59–98 (2003d).
• Between Remembering, Rediscovering and Reinventing. The Construction of Identity among Two-Spirited People as a Textual Appropriation of Alternative Gender Constructions in ‘Native American’ Cultures of North America. In: Forum Homosexuality and Literature 39: 45–65 (2001a).
• ‘Bend the line back into a circle’: Variability and normativity of alternative gender and sexuality constructions in the indigenous cultures of North America during the colonial transition. In: kea: Journal of Cultural Studies 14 ⇐ Dieter Haller (ed.) Heteronormativity: 179–207 (2001b).
• Beyond Western Concepts of Identity? Alternative Genders and Sexualities among Indigenous Peoples of North America Today. In: Ulf Heidel / Stefan Micheler / Elisabeth Tuider (eds.), Beyond Gender Boundaries: Sexualities, Identities and Bodies from the Perspective of Queer Studies. Hamburg: Männerschwarmskript: 162–177 (2001c).
• The ‘Queerification’ of the ‘Berdache’: Contested Interpretations in the Context of Contemporary Identity Politics. In: Klaus Stehling (ed.), Queer Politics: Setting Sail for New Shores. Göttingen: Edition Waldschlösschen Materialien: 53–81 (2001d).
• Reciprocal Perspectives: On the Mutual Influence of (Sexual) Scientific Descriptions of Alternative Gender Constructions in ‘Native American’ Cultures of North America and the Political Self-Representations of Two-Spirited People. In: Ursula Ferdinand, Andreas Pretzel and Andreas Seeck (eds.), Queered Science? On the Relationship between Sexology and Sexual Reform in History and the Present. Münster: Lit: 179–196 (1998a).
• ‘Crooked Circles and Straight Lines’: On the changing relationship between variability and normativity in alternative gender constructions in ‘Native American’ cultures of North America. In: Susanne Schröter (ed.), Body and Identity: Ethnological Approaches to the Construction of Gender. Hamburg: Lit: 101–130 (1998b).
• Diplom theses and doctoral dissertations on lesbian and gay topics. In: Ulrich Biechele (ed.), Identity Formation, Identity Confusion, Identity Politics. A Psychological Assessment for Lesbians, Gay Men and Others. Munich: Profil: 188/189 (1998c).
• Native American Life Today. In: Hamburg Museum of Ethnology (ed.), Plains and Prairie Indians: Texts and Photographs. Hamburg: Self-published by the editor, 53–60 (1997a).
• (with Kranich, Christoph) So That Foreignness Does Not Make You Ill: A Concept for Institutions Aimed at Improving the Health Situation of Migrants in Hamburg. Hamburg: PatientenInitiative (self-published, 1993).

Introductions / Forewords in academic anthologies

• (with Barbara Paul) ‘Queer as …: Negotiations of Practices, Knowledge and Politics’. In: Paul / Tietz 2016a: 7–24 (2016c).
• Foreword. In: Tietz 2004a: 7/8 (2004j).
• Introduction: A historical review of the emancipation and participation of gay men in Germany. In: Tietz 2004b: 5–13 (2004k).
• (with Volker Weiss) Foreword. In: Tietz / Weiss 2003a: 5/6 (2003e).
• (with Wolfgang Vorhagen) About this book. In: Stefan Mielchen and Klaus Stehling (eds.), Gay Spirituality, Sexuality and Sensuality. Hamburg: Edition Waldschlösschen in MännerschwarmSkript: 7/8 (2001f).

Reviews in academic journals

• Volker Woltersdorff, 2005, Coming Out: The Staging of Gay Identities between Rebellion and Conformity. Frankfurt am Main: campus. In: Journal of Women’s Studies and Gender Studies 26 (1): 139–141 (2008b)
• Volkmar Sigusch, 2005, Neosexualities: On the Cultural Transformation of Love and Perversion, Frankfurt am Main: campus. In: Liminalis 2007 (online journal, currently unavailable, 2007b).
• Sacred Lesbians and Gays? New Publications on Alternative Sexes, Genders, and Sexualities in North American Indian Cultures. In: Annual Review of Lesbian, Gay, and Bisexual Issues in European Psychology 1: 141–151 (2001e).

• Completed: Cultural studies and academic appointments in times of Corona (teaching-learning research)
• Completed: Practices of cross-dressing (teaching-learning research)
• Completed: Two-Spirit ARTiculations: Queer Artistic Productions in Indigenous North America (Teaching-Learning Research)
• Completed: Dressing Difference: Affirmation and Subversion of Social Inequality through Dress and Body Practices in Glocalised Contexts (Teaching-Learning-Research)
• Completed: "Beautiful! Beautiful?" Cultural studies perspectives on the phenomenon of beauty (teaching-learning research)
• Completed: Homosexuality, cross-dressing and transgender: Heteronormativity-critical, cultural-historical and ethnographic analyses(dissertation 2014, summa cum laude).

Projects with students:

• Completed: "Utopoly - A game with possible worlds", in collaboration with the theatre collective fake[to]pretend and the Oldenburg State Theatre

• Specialist Society for Gender Studies
• Centre for Interdisciplinary Women's and Gender Studies CVO

• Organisation of further training and exchange on research-based learning
• Representative of the Institute of Material Culture for quality management
• Coordination of course planning at the Institute of Material Culture
• Mentoring, coaching and training: 3GO
• Transfer Gender Studies/Adult Education Academy Waldschlösschen