Our Mission & Purpose

Simon McManus is the Chief Executive Officer of the Temporary Traffic Management Industry Steering Group. He leads the Communications and Engagement workstream and has oversight across the full TTM-ISG programme of work. Prior to joining TTM-ISG, Simon spent ten years with Intelligent Transport Systems New Zealand (ITSNZ), seven as Executive Officer, and led the successful bid to host the ITS Asia-Pacific Forum in Auckland in 2027.

Shannyn Hiroti is the Operations & Engagement Manager for the Temporary Traffic Management Industry Steering Group. She manages our five workstreams and supports delivery across the full ISG programme. Outside her work with the ISG, she is the Director of Korowai Contracting NZ and a Board member of ITS New Zealand.

Helen is one of the NZ Transport Agency – Waka Kotahi Support Representatives on the Industry Steering Group. She provides administrative and operational support to the ISG on behalf of Waka Kotahi.

Darren Wu is the Chair of the Industry Steering Group and the Association of Consulting Engineers NZ representative. He leads the Communications and Engagement workstream and is a member of the Good Practice workstream. Outside his work with the ISG, he is a Technical Director – Transport Advisory and the Client Director for the NZ Transport Agency at Beca.

Dave Rendall is one of the Lead Contractor representatives on the Industry Steering Group. He also leads the Good Practice workstream and is a member of the Communications and Engagement, and Commercial (Procurement) workstreams. Outside his work with the ISG, he is the National Strategic Temporary Traffic Management Lead for Fulton Hogan.

Ryan Cooney is one of the NZ Transport Agency - Waka Kotahi representatives on the Industry Steering Group. He also the Secretary of the ISG as well as leading the Commercial (Procurement) workstream and a member of the Good Practice workstream. Outside his work with the ISG, he is the Programme Director Road Works Safety at NZTA.

Ketan Chandu is our new WorkSafe NZ representatives on the Industry Steering Group. Outside of his work with the ISG, he is a Principal Advisor, Strategy Implementation for WorkSafe.

Nick Miskelly is the NZ Utilities Advisory Group representative on the Industry Steering Group. He is also a member of the Audit and Assurance workstream and Deputy Chair of the ISG. Outside his work with the ISG, he is the Manager Stakeholder, Consenting and Acquisition at Chorus NZ.

Tracey Berkahn is the Road Controlling Authority representative for the North Island on the Industry Steering Group. She is also a member of the Communications and Engagement workstream and the Treasurer for the ISG. Outside her work with ISG, she is the Group Manager Road Corridor Access and Coordination at Auckland Transport.

Levi Anderson-Crewther is one of the TTM supplier representatives on the Industry Steering Group. Outside his work with the ISG, he is the General Manager of T8 Group Ltd.

Betty Mitrova is one of the Lead Contractor representatives on the Industry Steering Group. She also leads the Training and Competency workstream and is a member of the Commercial (Procurement) workstream. Outside her work with the ISG, she is the National Traffic Management Lead for Downer NZ.

Monika Wakeman is one of the NZ Transport Agency - Waka Kotahi representatives on the Industry Steering Group. Outside her work with the ISG, she is the Head of Health, Safety and Wellbeing for NZTA.

Arne Corrie-Johnston is our industry association representatives on the Industry Steering Group. Outside of his work with the ISG, he the Technical Strategy & Engagement Manager at Civil Contractors New Zealand.

Simon Hodges is one of the Road Controlling Authorities representatives on the Industry Steering Group. He is also a member of the Audit and Assurance workstream. Outside his work with the ISG, he is the Team Leader - Temporary Traffic Management at Christchurch City Council.

Wayne Clarke is one of the TTM supplier representatives on the Industry Steering Group. He is also a member of the Training and Competency workstream. Outside his work with the ISG, he is the Chief Executive Officer at Chevron Traffic Services and ChevTrain.