Our People

As the South Australian and Northern Territory peak organisation for the automotive retail, service and repair sector, the MTA's leadership team plays a key role in encouraging the growth and development of talented people across all areas of our business as well as delivering key outcomes for our members.

MTA Executive

Darrell Jacobs
Chief Executive Officer


Tracy Simpson
Executive Assistant


Russell Smith
Financial Controller


For MTA Executive, please call 8291 2000


MTA Training & Employment

Jason Polgreen

General Manager Automotive Business
jpolgreen@mtasant.com.au


Jodi Ryan

General Manager, Apprenticeships
jryan@mtasant.com.au


Emma Horbury

Apprentice Services Manager
ehorbury@mtasant.com.au


David Wheatcroft

WHS & RTW Coordinator
dwheatcroft@mtasant.com.au – 0409 934 580


David Warren

MTA Schools Pathway Coordinator
jscott@mtasant.com.au – 0401 674 272


MTA Member Services

Nathan Groves

MTA SA/NT Automotive Business Manager
ngroves@mtasant.com.au


Kaes Cillessen

General Manager - Media, Marketing and Policy
kcillessen@mtasant.com.au



Ronan O'Brien

Workplace Relations and Governance Manager
robrien@mtasant.com.au

Jeremy Scott

MTA SA/NT Division Manager
jscott@mtasant.com.au – 0498 269 601


Gary Simpson JP

MTA SA/NT Automotive Business Specialist (Memberships)
gsimpson@mtasant.com.au


Lisa Cawthorne

MTA SA/NT Automotive Business Development Specialist
lcawthorne@mtasant.com.au - 0408 908 254


Robin Williams

MTA SA/NT Automotive Business Development Specialist
rwilliams@mtasant.com.au – 0477 827 913


For all media enquiries, please contact Tom Edwards, MTA Public Affairs Manager.