- Amsterdam, Netherlands(2019): “How to balance the Autonomous Nervous System by yourself; sleep, stress& anxiety and better concentration”Congres Polyvagal Theory”
- Portugal (2017): How to understand HRVbiofeedback in its simplicity and sensitivity
- Tell Aviv (Israel),2015: Neuroscience of StressTrauma Anxiety&Resilience: impact of the heart in autonimic balance
- Cluj,(Romania),2014: Research of treatment PTSD by Heart Rate Variability Biofeedback.
- Budapest (Hungary),2012: “HRV and emotion regulation”
- Utrecht (Netherlands), 2012: “congress Dysfunctional affect regulation”
- Munchen (Germany),2011 “Music and HRV”
- Italy, Rome, 2010, “Slim with your heart rhythm” Biofeedback Foundation Europe, 15 April 2010.
- Netherlands, 2009, Jaarbeurs Utrecht, “Het hart als dirigent” Congres coherence in health, 9 october 2009. Meer informatie: https://coherenceinhealth.nl/usr-data/general/Verslag%20Drs%20Kees%20Blase.pdf
- Netherlands, 2009, “Healing and selfregulation of emotions by HRV-biofeedback” Biofeedback Foundation Europe, Eindhoven, February 2009.
- Austria, 2008 “HRV patterns in different emotions” Biofeedback Foundation Europe, Salzburg February 2008.
- Netherlands, 2007: “Inzicht in de samenwerking tussen hart en brein” op Remedial Touch Jaarbeurs Utrecht.
- Netherlands, 2007: “HartFocus”.
- Austria, 2006: “Meanings affect the heart” at the World Conference Solution Focussed Coaching, Vienna 2006. Publication free available in the webshop of HartFocus.
- New Zealand, 2005: “The remarkable role of the heart in learning” at the Learning Conference October 2005 in Auckland.
- Belgium, 2005: “HeartFocus emotion management in stress” at the conference Biofeedback Foundation Europe in Hasselt, March 2005.
- Netherlands, 2004, “Music, Resilience and Trauma,” Musicians without Borders / WarChild, Utrecht.
- Germany, 2004, “Wie Herzintelligenz die Lernfähigkeit verbessert” Deutsche Gesellschaft fur Suggestopedisches Lernen, Freising.
- Germany, 2003 “Herzintelligenz und Stressmanagement” National Kinesiology congress in Germany, 2003.
- Italy, 1989 “Equal Opportunities in education” in Milano.
- EEC,1988, “Equal Opportunities in Education”, at EEC conference, Brussels 1988.
