Salzburg Global LGBT Forum (2013-2025) (Article; Lecture; Interviews)
United Nations program on Persecution and Resistance: LGBTIQ+ People Under Nazi Rule, 2024 (Lecture)
Film Playing to Survive: von Cramm vs. Hitler (Interview; 2024)
Berlin: City of Memorials (IranWire/USHMM 2023) – Series of six films on Berlin memorials; incl. Memorial to Homosexuals Persecuted under Nazism)
Working with the exhibition ‘Some Were Neighbors’: USHMM and German partners co-create new Holocaust educational models (Gedenkstättenrundbrief 2023) (Article)
The Men with the Pink Triangle: Voices lost, voices recovered. The fragile remembrance of the destruction of the first LGBT movement worldwide. Carleton University, Hear our Voices Project 2022 (Article)
On Interviewing with Gay Survivors (Hear our voices, Canada 2022); (Video Interviews)
When Autocrats weaponize homophobia (Interview 2021)
The Politics of Division and LGBT Quality (Forum EU 2021). (Article)
Defying Nazi Persecution Frieda Belinfante, Willem Arondeus (USHMM Facebook 2021), (Interview)
Warum wir uns erinnern. In: Podcast KREUZ & QUER 2021 (Interview)
Museums and the LGBTI Community, ALMS Conference Berlin 2019 (Lecture)
Willem Arondeus, Verzetsman in de marge (Amsterdam 2019) (Lecture)
Frieda Belinfante, Dirigente in het verzet (Amsterdam 2019) (Lecture)
Within The Pink Triangle. A space for remembrance (Exhibition)
Preface, Global Perspectives on Holocaust Education, Salzburg Global / USHMM 2013 (Article)
On Holocaust and Genocide Education Initiative, Salzburg Global Seminar, 2010-2017 (Article; Interview, workshop)
Five year report Salzburg Global LGBT* Forum, Salzburg 2017 (Report and Introduction)
Überlegungen zur LGBTI-Forschung und Menschenrechtspolitik im 21. Jahrhundert im Rekurs auf das 19. und 20. Jahrhundert (19-35). In: Forschung im Queerformat. Berlin 2014. (Lecture/Article)
Opening speech Exhibit In Whom Can I Still Trust?, Cape Town 2013
Fachbeirat der Bundesstiftung Magnus Hirschfeld 2012-2016
Member Jury for second film in Homomonument Berlin 2012 (Lecture)
Lecture and tour Homomonument, Conference Homosexuality and Religion in Africa, German Federal Foreign Office, LSVD, Nov 2011
Gedenken und Verachtung, Konferenz Homophobie, Devianz und weibliche Homosexualitaet im Nationalsozialismus, Ravensbrueck, Oct 2011/2014 (Lecture/Article)
Zwischen Denunziation und Erinnerung. Filmische Visualisierungen der NS-Homosexuellenverfolgung, in: Claudia Bruns mit Asal Dardan/Anette Dietrich (Hrsg.), „Welchen der Steine du hebst.“ Filmische Erinnerung an den Holocaust, Berlin 2011. (Article)
A voice not heard: gay survivors in post-war reception and film, Konferenz Welchen der Steine du hebst, Humboldt Universität Berlin, Dec 2009 (Lecture)
The men with the pink triangle 1945-2008, Roosevelt University Chicago, Apr 25, 2008 (Lecture)
Opening speech Exhibit ‘Wie kan ik nog vertrouwen?’ Dutch Parliament, The Hague 2007
Nazi persecution of homosexual, post-war homophobia and inclusive museum policies. Imperial War Museum, London Oct 30, 1996 (Lecture)
Konferenz Das Geschlecht der Moderne. Universität-GH Paderborn Juli 1996 (Teilnahme Podiumsdiskussion)
‘Wie kan ik nog vertrouwen? Homoseksueel in nazi-Duitsland en bezet Nederland’. Landelijk Bureau ter bestrijding van Rassendiscriminatie en het Verzetsmuseum Amsterdam, 8 juni 2006 (Lecture)
So I stood alone with my memories. The men with the pink triangle 1945-2003, United States Holocaust Memorial Museum, 2002 (Lecture)
Invisible Visitors: Museums and the Gay and Lesbian Community; Lecture AAM, Dallas 2002
Do You Remember When? Curatorial remarks, Salzburg Global Seminar on Museums in the 21st century, May 2001 (Lecture)
Gay persecution, history and present, Riga, Latvia 2001 (Lecture)
A new constituency: Museums and their gay and lesbian visitors, AAM, Baltimore 2000 (Lecture)
Portraits of Gay Survivors and Their Lack of Profile in Memorial Culture, at Symposium ’Persecution of Homosexuals under The Nazi Regime’, U.S. Holocaust Memorial Museum, Washington 2000 (Lecture)
History, Change and Identity. Yearly Conference Accept, Sinaia, Jul 2-4, Romania 1999 (Lectures, training, workshops)
Introduction to ‘But I was a girl..’ (Frieda Belinfante), Milan Gay/Lesbian Film Festival, Italy 1999
The Persecution of homosexuals under the Nazi regime, Philadelphia, PrideFest America 1999 (Lecture)
Gays and Lesbian under Nazi rule, public program, lecture and American premiere of “But I was a girl”, USHMM, Washington 1999
Open Society Institute, Ljubljana, Slovenia 1998 (Lecture)
Conference on Fascism and Homophobia, IGLYO, Pisa 1997 (Lecture/Workshop)
Beyond the pink triangle, Goethe-Institute New York, May 1997 (Lecture)
Holocaust Remembrance Culture from a gay perspective, Conference From Memory to History. Controversies about Holocaust Remembrance, University of Antwerp, May 1997 (Lecture)
Resistance: The unknown story of Frieda Belinfante, at conference ‘The Holocaust in the Netherlands: A Reevaluation’, United States Holocaust Memorial Museum, May 1997 (Lecture/Article)
Die historische Konstruktion des Homosexuellen und die Codierung der Geschlechterdifferenz, Beitrag zu Symposium ’Geschlecht und Moderne’, Gesamthochschule-Universität Paderborn, Germany 1996 (Lecture/Article)
So blieb man allein mit der Erinnerung. Von anonymisierten Zeugnissen his zu einer kollektiven Erklaerung homosexueller Ueberlebender, Conference Gesamthochschule-Universität Saarbrücken Konferenz ’Wider das Vergessen’, Oct 1996 (Lecture/Article)
Belated testimonies and autobiographical literature by gay survivors, Conference ’Belated or Timely Memories: The last phase of survivor’s literature’, Beersheva Ben-Gurion University, Israel, May 1996 (Lecture)
Amnesty International Symposium on Homosexuality and Human Rights, Amsterdam, Netherlands 1996 (Lecture/Workshop)
Amnesien: Formen des Vergessens, Formen des Erinnerns, , Symposium ‘Initiative Homomonument’, Berlin 1996 (Lecture/Article)
Gay survivors. Conference ’Lesbian and Gay Lives Remembered’, University of London, United Kingdom, Sep 1995 (Lecture)
Making history invisible. The exclusion of gays in Holocaust memorials as an example of representational problems of the so-called forgotten victims, Conference Memorials and Museums on the heritage of the Nazi past and the Holocaust in the United States and Germany: Similarities and Differences, United States Holocaust Memorial Museum, Washington DC, Sep 1994 (Lecture)
Lecture and film presentation, Cleveland Interfaith Congregation Chevrei Tikva, 1994 (Lecture)
Stories Untold: Lesbian and Gays during the Holocaust, Lecture and film presentation, Lesbian and Gay Congressional Staff Association, Rayburn House Building, Washington, Sep 1994 (Lecture)
Presentation and discussion, Reel Affirmations: Washington DC Gay and Lesbian Film Festival, Oct 1994 (Lecture)
Stories Untold. Gays and Lesbians During the Holocaust. USHMM, Washington May 15-19, 1994 (Lectures; film introductions, discussions)
The exclusion of gay victims in Holocaust Memorial Culture, Lecture and commentator, Opening Conference United States Holocaust Research Institute, United States 1993 (Lecture)
Whom do we remember?, Candlelight vigil in remembrance of gay and lesbian victims of the Holocaust, Washington DC, Apr 23, 1993 (Lecture)
On Ph.D. thesis, Humboldt University, Berlin, 1993 (Lecture)
On Ph.D. thesis, St. Paul University, Minneapolis, 1992 (Lecture)
Die Autobiographie als biographische Prothese. Homosexuelle Bekenntnisse im 19. Jahrhundert. Siegener Kolloquium Homosexualität und Literatur, Universität-Gesamthochschule Siegen 1990. (Lecture/Article)
Medical confessions – autobiographical identities. International conference Homosexuality, which homosexuality? Free University Amsterdam 1987. (Lecture/Article)
De Andere als ‘Homoseksueel’. De wetenschappelijke redenering over homoseksualiteit in medische, juridische en literaire teksten. Erasmus Universiteit Rotterdam, Congres vijfde jaarmarkt lesbische en homostudies 1986 (Lecture/Article)