Two day introductory workshop with Russ Harris (twice!) and two day advanced workshop with Russ Harris. Five day conference including workshops, London 2006. Developing and researching ACT/DBT groups for people with Borderline Personality Disorder, supervised by Russ Harris 2006-7. Considerable reading. Listserve member and occasional contributer for one year.
I also have training and experience in psychoanalytic therapy, and mindfulness-based approaches.