2018. Public Lecture. “The Light and Shadow of Historical Trauma”: The Arts as
Visual Conscience of Society. University of Melbourne.

2018. Public Lecture. “Forgiveness is the Wrong Word:
Trauma Testimonies as Public Narrative and Reparative Action.” Australian Institute for Human Rights, University of New South Wales, Sydney.

2017. Keynote Address. “What Does Justice Mean After Historical Trauma”: International Symposium on Justice through Conflict:
Conflict through Justice. University of Melbourne.

2007: Keynote Address. Conference co-hosted by the University of Western Australia and the Coalition of Aboriginal People, Fremantle.

2007: Public Lecture, “Radical Forgiveness: Beyond Hannah Arendt”. Arts Faculty Monash University, at State Library of Victoria, Melbourne.

2005: Keynote Address. “Reconciling the Past: The Lesson of Forgiveness”. Conference organised jointly by the University of Western Australia & Amnesty International, Perth.

2005: Workshop. “Acknowledgement, Apology and Forgiveness: Healing Transgenerational Trauma.” Coalition of Peoples and the University of Western Australia, Perth.

2017: “A dialogue with His Holiness the 14th Dalai Lama”. The 32nd Mind & Life Institute Dialogue in Gaberone, Botswana (Controversies around the Dalai Lama’s visa led to him cancelling and the event took place without him).

2016: Keynote Address.“What Does It Mean to be Human in the Aftermath of Mass Trauma and Violence? Towards the Horizon of an Ethics of Care.”
Conference for the Society of Christian Ethics, Toronto.

2010: Lecture. "Narratives of Dialogue and Healing: Stories of Remorse and Forgiveness in the Aftermath of Mass Trauma and Violence". Eighth Annual Sol Kanee Lecture on International Peace and Justice at the University of Manitoba, Winnipeg.

2005: Public Plenary Address. “Reconciliation Public Plenary Address Dialogue and Forgiveness Intervention in Collective and Continuous Traumatic Experience.”. International Conference on Restorative Justice and Peace, Cali.

2008: Keynote Address. “Radical Forgiveness beyond Hannah Arendt: An Interdisciplinary Dialogue.”. Conference on Understanding Conflict: Cross-cultural Perspectives, University of Århus.

2015: Keynote Address. “The Post-apartheid Generation and the Meaning of Woundedness – Reflections on Contemporary Trauma.” Hosted by Finland-South Africa Association, University of Helsinki.

2010: Workshop. “Peace and Reconciliation”. International Symposium on Religions and Conflict, co-hosted by Osnabrück University, German Foundation for Peace Research, and UNESCO. Osnabrück.

2009: Keynote Address. “Transcending Embitterment in Post-Apartheid South Africa: From Personal Trauma to Public Memory.” International Scientific Conference on Embitterment and Mental Disorders, Berlin.

2008: Keynote Address. “Of Victims and Perpetrators: Empathic Repair - Witnessing Ubuntu” International Congress on Identities of Self and Other, Würzburg.

2006: Keynote Address. “Transcending Trauma and Vengeance: Lessons from the South African Truth and Reconciliation Commission.” IX International Conference on Torture Survivors: Impunity, Reparation and Treatment, Berlin.

2006: Public Lecture. “Trauma, Remembrance and Reconciliation.” Co-hosted by the European Business School and the Atlantik Bruecke, Berlin.

2006: Plenary Address. “The Language of Apology and Forgiveness: Breaking Historical Cycles of Violence.”. Conference on Collective Wisdom: New Perspectives for the Resolution of Conflict organized by the Institutfür Systemaufstellungen und Integrative Lösungen, Würzburg.

2005: Public lecture. “Forgiveness as a Challenge for Historical Memory.” Hosted by the Kulturwissenschaftliche Institut (Institute for Cultural & Historical Memory) in Essen.

2004: Public Lecture. “Trauma, Forgiveness, and Reconciliation”. Sigmund Freud Institute, Frankfurt.

2004: Public Lecture. “The Psychodynamics of Trauma and Victim-Perpetrator Encounters”. Hosted by the Department of Psychotherapy, Cologne University, Cologne.

2016: Seminar. “The Aftermath of Historical Trauma: Working through Transgenerational Repercussions.”. Presented at the Post-graduate and Faculty Summer Institute on Transgenerational Trauma at Vrije University, Amsterdam.

2014: Seminar. “Trauma and its Disruption: Individual, Social and Cultural Context.” Post-graduate Summer-School on Building Peace after Conflict – Identity and Reconciliation, Hamburg and Amsterdam Vrije University.

2011: Keynote address. “Forgiveness after Mass Trauma and Violence: A Dialogue between Psychology and the African Ethics of Ubuntu.” The International Conference on Just Peace, Vrije Universiteit, Amsterdam.

2019: “In conversion with His Holiness the Dalai Lama on Ubuntu” At his headquarters in Dharamsala, India [for more on this event see https://www.mindandlife.org/conversations-2019/

2018: Public Lecture. “Trauma Testimonies as Public Narrative and Reparative Action: Reflections from the South African Truth and Reconciliation Commission.”
Hosted by the Senator George Mitchell Institute for Global Peace, Conflict and Social Justice at Queen’s University, Belfast.

2016: Keynote address. “What Does it Mean to be Human After Historical Trauma: Revisioning The Sunflower and Why Hannah Arendt was Wrong?” Global Leadership & Peace Conference, Queens University, Belfast.

2014: Keynote address. “Healing from the Past Must Involve the Other: Empathic Repair in the Aftermath of Mass Violence and Trauma.” Presented at conference Remembering, Forgetting and Forgiving, Queens University, Belfast.

2010: Keynote Address. “Women’s Memory Work: Gendered Dimensions of Social Transformation”. University of Limmerick.

1999: Opening Address. “Transcending the Possible: Scenes from South Africa’s Truth and Reconciliation Commission.” Presented at the International Winter School at Corrymeela Ballycastle.

2016: Keynote Address. “Remorse: Beyond Guilt.” conference on Conflict, Reason and Reconciliation: South Africa Twenty Years Later hosted by Università Cattolica del Sacro Cuore, Milan.

2015: Public Lecture.“Forgiving: Exploring the Intersubjectivity of Remorse,” Symposium on Dealing with the Past, Psychoanalytic Society, Padua.

2006: Opening Address. “Reconciliation, Politics, & Emotions.” Conference on Emotions and Political Reconciliation held at Monash University Conference Centre,Prato.

2005: Keynote Address. “The Traumatic Aftermath of Sexual Violence in Wartime: Unfinished Business”. The Asian Women Fund Conference, Tokyo.

2018: Public Lecture. “In Search of a New Archive: Reclaiming Agency, Voice and Knowledge Production beyond the Post-apartheid.”.
Curriculum Transformation Matters: The Decolonial Turn, University of Pretoria.

2018: Public Lecture. “Arts as Visual Conscience of Society”. Hosted by Transforming the Humanities through Interdisciplinary Knowledge, University of the Witwatersrand (Wits).

2018: Keynote address. “Traumatic Ruptures and Legacies of the Past: Pre-senting Memory.” Hosted by WiSER, Wits, Johannesburg.

2015: Keynote Address. “The Meaning of Woundedness: Insights from South Africa” Conference on Healing Communities, Transforming Society, organised jointly by Institute for Justice & Reconciliation and the War Trauma Foundation, Johannesburg.

2015: Keynote Address. “Engaging the Past: A Dialogue with our Internal
Others.” Presented at conference on Groups Crossing Boundaries: Co-creating Spaces for Transformative Change, organised by International Society for Group Psychotherapy and Group Processes, University of Pretoria.

2013: Keynote address: “Feeling with the Womb: Intersubjectivity and Embodiment in Victim Perpetrator Forgiveness in the aftermath of Mass Trauma and Violence. International Psychoanalytic Association conference, Franschhoek, Cape Town.

2012: Opening address. “From South Africa with love and forgiveness: Journey through violence-and back.” Presented at the conference Babies in Mind and the Mind of Babies hosted by the World Association of Child Mental Health, Cape Town.

2008: Public Lecture. “To Be Moved beyond the Professional: A Psychoanalytic Exploration of the Mental Health Response to Xenophobia,” Hosted by the Cape Town Society for Psychoanalytic Psychotherapy, Cape Town.

2008: Paper Presented. “Radical Forgiveness: Transformation and Reconciliation beyond Hannah Arendt.” Critical Methods Conference, Psychology Department, Rhodes University.

2008: Paper co-presented with, and based on a Masters Research Project by, Samantha van Schalkwyk at a conference on Researching Gender-Based Violence: Issues and Challenges. “Beyond the ‘Gender Base’of Violence: The Politics of Trauma as an Issue in Violence against Women.” UCT Psychology Department, Cape Town.

2007: Plenary Address. “Encounters in the Realm of Human Affairs: Journeys of Healing.” The XVIIth Congress of the International Association for Analytic Psychology, International Convention Centre, Cape Town.

2006: Facilitated workshop. “Reconciliation Dialogue with a group of representatives from the Business and Government sectors of Sri Lanka” Hosted by South African Foreign Affairs Ministry, University of Cape Town.

2006: Alan Paton Annual Lecture. “Transformation and the Crisis of Leadership.” Presented at the University of KwaZulu/Natal.

2005: Public lecture. “Transcending Trauma: The Moral Imagination.” Heritage Week Lecture Series, University of Cape Town.

2005: Seminar. “Trauma, Forgiveness and the Witnessing Dance: Making Public Spaces Intimate.” Psychology Department Lecture Series, University of Cape Town.

2004: Keynote Address. “Trauma-tic Re-enactment: Presence, Absence, And Witnessing after Trauma.” International Trauma Conference, University of Kwa-Zulu Natal, Durban.

2015: The Nelson Mandela Memorial Lecture. “Towards the Horizon of an Ethics of Care in the time of Nelson Mandela.” Uppsala University.

2011: Opening Address and Keynote Lecture. “Trauma, Memory and Narrative Testimony: “Re-Making” the Self, Reclaiming Agency”.
Co-hosted by the Swedish Crime Victim Support Authority and the Department of Criminology and Law, Stockholm University, Stockholm.

2015: The Claude Ake Memorial Lecture. “What Does it Mean to be Human After Historical Trauma? Re-Visioning The Sunflower and Why Hannah Arendt Was Wrong.” Uppsala University.

2017: Public Lecture. “Recognition and Mutual Transformation: Reflecting on the Reparative Humanism of Ubuntu and Inimba”
Hosted by the Institute of Advanced Studies, University College of London.

2016: Seminar: "Transcending Legacies of Historical Trauma: Remorse, Forgiveness and the Meaning of Being Human" Presented Seminar at the Centre for Peace, Trust and Social Relations, Coventry University.

2015.: Keynote. “Second Generation Dialogue with Internal Others: 'Memory' of Pasts and the Possibility of Repair.” Transnational Holocaust Memory Conference, University of Leeds, Leeds.

2006: Public Lecture. “Trauma, Forgiveness and the Witnessing Dance: Projective Identification and Empathy.” Presented at the Tavistock Clinic, London.

2005: Public Lecture. “The Witnessing Dance: Transcending Vengeance.” The St. Ethelburga Centre for Peace & Reconciliation, London.

2019: Seminar.“Perpetrators Remorse” at New York Law School, New York.

2019: Keynote lecture. : “Women’s Testimonies and the Future Past”
Conference on Gender and Trauma, Media, Material Culture Grand Valley State University.”

2017: Keynote lecture. “Trauma Testimonies as Public Narrative and Reparative Action: Reflections from the South African Truth and Reconciliation Commission”
Hosted by Justice and Historical Memory, New York.

2017: Public lecture. “Empathy, Understaning and Our Humanity.”
Hosted by the Omega Institute, Rheinberg, New York.

2016: Public Lecture.“Reparative Humanism: Exploring the Meaning of Ubuntu.”

Hosted by the Mario Eiaunadi Centre for International Studies, Cornell University

2007: “The trauma of the Wounds of War” among returning Iraq soldiers”
Addressed a group of United States democrats at a private function hosted by Congresswoman Rosa DeLauro, Washington, DC.

2007: Keynote Address. “Radical Forgiveness: The Language of Peace in our Challenging Times.” The Third International Women’s Peace Conference held in Dallas, Texas.

2007: Keynote Address. “Transcending Hatred.” Uncovering the Heart of Education hosted by the Fetzer Institute, San Francisco, California.

2007: Keynote Address. “Women’s Spirituality & Peace Building Work” Washington National Cathedral, Washington DC.

2005: Keynote Address, “Trauma, Forgiveness, and the Witnessing Dance: Making Public Spaces Intimate.” Paper presented at the Fourth Conference on Women and Power at Omega Institute for Intellectual and Spiritual Renewal, Rhinebeck, New York.

2004: Keynote Address. “Forgiveness: The Human Moment.” Presented at International Conference on Forgiveness, Reconciliation and Restorative Justice, Pendle Hill Conference Center, Philadelphia.

2004: Keynote Address. “Making Public Spaces Intimate: Transforming Societies in the Aftermath of Mass Trauma”. Presented at the American Psychological Association’s (APA) Convention, Honolulu, Hawaii.

2004: Public lecture. “Forgiveness: The Human Moment”. Annual Walter Capps Lecture, sponsored by the Walter Capps Centre for the Study of Religion and Public Life, University of California, Santa Barbara.

2004: Guest lecture. “Legacies of Silence: South African Women’s Burden from Apartheid to AIDS” Sponsored by the Kennedy School of Government’s Women & Public Policy Program, Harvard University, Cambridge, Massachusetts.