Mark is currently serving on the Advisory Board of the ISA and has previously service on the Board as Chair.  Mark can be contacted by email on mirwin@cobweb.com.au.

Mark Irwin is a dentist in private practice in Adelaide, Australia. He is a past president of the Australian Speak Easy Association (1995 -1997) and has been a board member of the ISA since 1998. He is the immediate past Chair of the ISA after holding the position for 6 years. He was instrumental putting together the ISA Stuttering Information CD and assisting in the organisation of the 1st African Stuttering Conference in 2005 and has a special interest in the “definition of stuttering”.