MaryMac Books


For more than 25 years ITD has been Australia’s leading training organization using Jung’s theory of Psychological Types and related instruments, including the MajorsPTITM and the MBTI® instrument. In 2018 we continue to provide high quality training and certification in psychological type theory and the application of type theory.

Please contact Mary McGuiness on 0417661104  if you have any questions.

Online Books


Ideal resource for introducing clients

to type. Packed with information,

including two pages about each type!

RRP $13. Bulk discounts available.

Written and published in Australia.      


Majors PTI   Certification (Step I)                                   

Sydney: March 6 - 8, 2018 

Brisbane: June 19-21, 2018

Melbourne: July 30-31 & August 1, 2018 

Adelaide: July 24-26, 2018    

Sydney: August 15, 22 & 29, 2018 

Melbourne: September 25-27, 2018

Sydney: October 23-25, 2018 

Brisbane: November 6-8, 2018

Sydney: December 11-13, 2018

Contact ITD for other dates and locations, and In-house programs.  

Register NOW             






MajorsPT- Elements (Step II)

Prerequisite: Certification in the MajorsPTI or the MBTI

Melbourne: March 14, 2018

Sydney: May 1, 2018

Brisbane: June 6, 2018  

Contact ITD for other dates and locations.

Register NOW


 Registration Form

 Book Order Form