Regional committee
contacts

Auckland/Northland Branch
Lewis Thorwaldson
Branch Chair (Auckland)
lewis.thorwaldson@at.govt.nz  

Bay of Plenty Branch
Craig Richards / Sarah Dove
Branch Co-Chairs (Tauranga)
craig.richards@beca.com   / Sarah.Dove@tauranga.govt.nz 

Waikato Branch
Bridget Doran
Branch Chair (Hamilton)
bridget@bridgetdoran.nz 

Central Branch
Tobie Pretorius / Erica Walker
Branch Co-Chairs (Wellington)
tpretorius@tonkintaylor.co.nz  / Erica.Walker@aurecongroup.com

Nelson/Marlborough Branch
Peter Kortegast
Branch Chair (Nelson)
Peter.Kortegast@wsp.com 

 

Canterbury/West Coast Branch
Jeanette Ward
Branch Chair (Christchurch)
jeanette.ward@abley.com  

 

Southern Branch
Aaron Isaacs
Branch Chair (Dunedin)
Aaron.Isaacs@ghd.com  

Regional branch map

Map of Transportation Group regional branches

National
committee

Mark Gregory

Mark Gregory
Chair; CIHT liaison
markgregorytransportgroup@gmail.com 

JustineWilton

Justine Wilton
Vice Chair
Justine.wilton@wsp.com 

Melanie-Muirson

Melanie Muirson
Treasurer TGNZ; Safety Practitioners’ Group
Melanie.Muirson@stantec.com 

Stephanie-Spedding

Stephanie Willcox
Membership Secretary
stephanie.willcox@jacobs.com 

Daniel_Newcombe

Daniel Newcombe
Roundabout Editor, Awards Coordinator
daniel.newcombe@at.govt.nz 

Matthew Hoyle

John Kinghorn / Matthew Hoyle
Signals NZ User Group (SNUG)

John.Kinghorn@hamilton.govt.nz
Matthew.Hoyle@mottmac.com 

Tony-Brennand

Tony Brennand
Trips Database Bureau (TDB)
tony.brennand@nzta.govt.nz 

Bevan Wilmshurst

Bevan Wilmshurst
Modelling User Group (MUGS)
bevan.wilmshurst@stantec.com 

Copyright Neil Macbeth

Glen Koorey
Active Modes Infrastructure Group (AMIG)
glen@viastrada.nz 

Copyright Neil Macbeth

John Lieswyn
Immediate Past Chair
john@viastrada.nz 

Photo of Lewis Thorwaldson

Lewis Thorwaldson
Auckland Branch Chair
lewis.thorwaldson@at.govt.nz 

Craig Richards

Craig Richards / Sarah Dove
Bay of Plenty Branch Co-Chairs
craig.richards@beca.com  /
Sarah.Dove@tauranga.govt.nz 

Bridget-Doran-2

Bridget Doran
Waikato Branch Chair
bdoran@mrcagney.com 

TobiePretorius

Tobie Pretorius / Erica Walker
Central Branch Co-Chairs
tpretorius@tonkintaylor.co.nz  / Erica.Walker@aurecongroup.com

peter-kortegast

Peter Kortegast
Nelson/Marlborough Branch Chair
Peter.Kortegast@wsp.com 

JeanetteWard

Jeanette Ward
Canterbury/Westland Branch Chair
jeanette.ward@abley.com  

Isaacs, Aaron_colour

Aaron Isaacs
Southern Branch Chair
Aaron.Isaacs@ghd.com 

Position vacant
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