AITD - Over 40 years experience in supporting the learning and development community

Yvonne Collier

Maddison Training


Contact details

Yvonne Collier

Maddison Training

02 99043341


Profile details

Yvonne Collier CSP, is an international trainer, speaker, facilitator, coach and Director of Maddison Training, her own successful assertiveness training company which she's run for the past twenty years. She is also the author of LAFFe to Success, a practical guide to getting on with others. With a background in education, advertising, sales, management, radio presentation and as a Master Practitioner of NLP, she has coached numerous people individually and in groups, in medium and large organisations, to speak up and get their point of view across with confidence and ease.

New South Wales

Education and Training


External links

  • Make My Course
  • Disc Advanced (June2015-2018)
  • Guild (to April 2018)
  • Writers Wanted