Businessballs - www.businessballs.co.uk

The Business Balls site - "Ethical Life and Work Learning", has a huge wealth of training, development and coaching materials - it's one of the most visited sites around.

Acteus - www.acteus.com

Acteus is run by a group of colleagues in France - they work with organizations.

AD International www.adinternational.com

Julie Hay is a well-established author and fellow member of the Developmental TA Community (it was in fact Julie who coined the term "Developmental TA")