• Ihlen, H, Joshua Lee, Irina Gruia, Roxana Nituica and Manol Apostolov ( march 2026): TSM training Containment. Ariadna Veliko Tarnovo, Bulgaria. 
• Ihlen, H and Ina Hogenboom ( 27 & 28 feb, 1 march 2026): TSM training Neurobiology of Trauma. Bavel, the Netherlands. 
• Ihlen,H, Ina Hogenboom, Roxana Nituica en Irina Gruia. (Oct. 2025):TSM Training Transforming the Trauma Triangle. Craiova, Romania. 
• Ihlen, H & Johua Lee (Sept. 2025): Workshop Strength- based Healing for Self and Society through the therapeutic Spiral Model. With TSM team Irina Gruia en Roxana Nituica. In cooperation with Ina Hogenboom. 17th internationale Psychodrama conference Bukarest, Romania. 
• Ihlen,H, Ina Hogenboom, Roxana Nituica, Irina Gruia, Joshua Lee and Israel (Apr. 2025): TSM Training Working with Defenses. Craiova, Romenia. 
• Ihlen, H, Ina Hogenboom, Roxana Nituica en Irina Gruia (Sept. 2024): TSM Training Neurobiology of Trauma. Craiova, Romenia. 
• Ihlen, H en Margre Knip (2024). Biographical Work: Using One’s Own Experiences in Professional Practice.  2 day-workshop.  Bavel, the Netherlands. 
• Ihlen, H (2023/ 2024) One and two- day workshop Dramatherapy and Schema Therapy. Online CPD workshop BADTh.
• Ihlen, H (2022- 2024). Dramatherapy and Narrative Therapy and the Tree of Life. Online CPD Workshop BADTh.
• Ihlen. H. ( 2022). Working experiential. Workshop LVSC Noord Holland, Alkmaar.
• Ihlen, H (2022), Tree of Life. Workshop LVSC Noord Brabant, Bavel.
• Ihlen, H (2017). Working Narrative. Workshop Dramatherapy NVDT, Utrecht.
• Ihlen, H (2016). Article ‘Het werken met verhalen in therapie. Samen met de client op zoek naar een nieuwe identiteit’. Tijdschrift voor Vaktherapie. 12, 19-25.
• Ihlen, H (2016). Book Review Inner dialogue in daily life. Contemporary approaches to personal and professional development in Psychotherapy by Charles Eigen. In Dramatherapy, 37:1, 72-73
• Ihlen, (2014). Workshop Dramatherapy en Narrative therapy. FVB. Utrecht.
• Ihlen, H (2012). Oriënted Workshop Dramatherapy.  CTO, Hogeschool van Arnhem en Nijmegen, Nijmwegen.
• Ihlen, H (2013). Book Review Life Story work with Traumatized Children bij Richard Rose. a model for practice, In Dramatherapy, 35:1, 80-81
• Ihlen, H (2012). Book review Story Drama in the Special Needs classroom: step bij step lesson plans for teaching through dramatic play bij Jessica Perich Charleton. In Dramatherapy, 34:3, 161-162
• Ihlen,H (2012). Book review Social Skills, emotional growth and dramatherapy. Inspiring connection on the Autism Spectrum by Lee. R. Chasen. Het tijdschrift voor Vaktherapie 14. 

Projects I helped by:

• Translator (Dutch- English). Beroepscompetentie profiel Dramatherapie, 2021. 
• Translator (Dutch- English). Onderzoeksagenda Dramatherapie. 2020