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 2017 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:  December 6 - 8, 2017 

Sydney:  2018

Melbourne:  2018 

Brisbane:  2018    

Canberra:  2018 

Adelaide:   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

Sydney: December, 2017

Melbourne: December, 2017

Brisbane:  2018

Register NOW


 Registration Form

 Book Order Form