1987 "Psychotherapie en autonomie", april 27, 1987, Utrecht

1988 "Self-organization and psychotherapy", mei 9-11, 1988 Groningen.

1989 "Trends in non-classical psychology", november 16-17, 1989 Groningen.

1991 "Autonomy and the construction of meaning", january 3-5, 1991, Groningen.

1992 "Metaforen in psychotherapie", november 14, 1992, Maastricht.

2006 "Ferruccio Osimo in Maastricht", march 17, 2006, Maastricht.

2007 "Jon Frederickson in Maastricht", december 4, 2007, Maastricht.

2008 "Getting the stuck unstuck. Rob Neborsky in Maastricht", september 11, 2008, Maastricht.

2010 "Facilitating the process of working through in ISTPD". Patricia Coughlin in Maastricht, march 4, 2010, Maastricht

2011 "Synergies and Divergences between Attachment Based ISTDP and Cognitive Behavior Therapy in the treatment of personality disorders and psychoneurotic disorders". Robert Neborsky in Maastricht, may 27, 2011, Maastricht.

2012 "Sensible cost reductions in health care; diagnosis and treatment of somatoform disorders". Allan Abbass in Eindhoven, october 22, 2012, Eindhoven.

2013  'The graded format and beyond'. Allan Abbass in Maastricht, 16 september 2013. Een workshop voor ons instituut.