Graham Hensley

Head Honcho & IT Ninja

After having trained as an accountant in the UK, Graham started working with the first desktop computer system, the Jacquard, designing and writing multi-user accounting systems utilising the latest 8" floppy disk drives!!!

He formed HHT in 1994 and since then has been successfully providing extensive Business IT support to our loyal clients, plus keeping his finger firmly positioned on the pulse of new and upcoming technological trends.

O: 08 9228 1619

M: 0418 930 425

O: 08 9228 1619 

M: 0415 622 876

Nik Jongsma

IT Maestro 


After a distinguished career in swimming, which included representing WA, Nik has been part of the team since 2003 and is continually developing and expanding our clients' businesses through the intelligent use of high technology.

O: 08 9228 1619

M: 0409 293 253

Terena Semmler

Behind-the-scenes Ninja and Programming Guru

Terena joined us in 2001 after working 12 years as a Computer Programming Consultant. She continues to develop advanced software packages tailored to client's needs, along with assisting clients in getting the best use out of their existing applications such as Excel spreadsheets and accounting packages. 

Matt Leishman

IT Wizard


Matt joined the team in 2014.  He loves an IT challenge and enjoys attending clients' workplaces to assist in their IT support.  He has experience in many aspects of IT support and planning, including Disaster Recovery, Server migration, anti-virus deployment and system repair.

O: 08 9228 1619 

M: 0447 466 604

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