JEAN FRANCOIS MILLERON
— CEO

Vincent Rauturier
— CFO

Vincent joined Colas Australia as Chief Financial Officer in 2018, bringing with him extensive international finance experience across the Colas Group.

Prior to relocating to Australia, Vincent served as Corporate Controller at HRI Inc. in Pennsylvania and as Division Controller for Barrett Industries, overseeing financial operations across New York and Pennsylvania. Between 2011 and 2017, he was responsible for all finance functions across these US subsidiaries of Colas Inc.

Vincent began his career in France in 2003, where he held a series of finance roles within French subsidiaries of the Colas Group until 2010.

He holds a Master’s degree from NEOMA Business School in France.

Justin Bartlett
— Managing Director
VSA Group

Justin has led the VSA Group since 2009, following the successful merger of Primal Surfacing and Inroads in Victoria. He originally founded Primal Surfacing in 2003, growing it into one of Australia’s leading independent bituminous surfacing companies prior to its amalgamation.

Before establishing Primal, Justin held senior management roles with VicRoads and Boral, gaining extensive experience in contract management and infrastructure delivery.

Justin holds a Bachelor of Business and a Graduate Diploma in Business Management.

Sebastien Chatard
— GM SAMI Bitumen Technologies

Sebastien began his career with Colas in 2006 as Technical Manager in Thailand before relocating to Western Australia in 2008 as Technical Support Manager. In 2010, he transitioned into operations as State Manager WA and Bitumen Procurement Manager.

In 2015, Sebastien moved to New South Wales to join SAMI Bitumen Technologies’ head office as Operations and Commercial Manager. He was appointed General Manager in May 2017 and has since led the business across national operations and strategy.

Sebastien holds a Master’s degree in Chemical Engineering from the Conservatoire National des Arts et Métiers (CNAM) and an MBA from Curtin University’s Graduate School of Business.

Janene Jamieson
— Group HR Manager

Janene joined COLAS Australia in 2018, bringing over a decade of human resources experience alongside two decades in the manufacturing sector. Before COLAS, she held regional and national HR roles in the printing industry, where she worked closely with union associations and blue-collar workforces. Her expertise in employee and industrial relations has strengthened workplace culture and supported business performance across diverse environments.

Richard Bullock
— General Counsel and Company Secretary for Australia & New Zealand

Richard joined Colas Australia Group in January 2018 as General Counsel and Company Secretary for Australia and New Zealand. A dual-qualified lawyer and engineer in both the UK and Australia, Richard brings over 25 years of experience in the construction industry.

He began his career as a project engineer, working on high-rise commercial and residential developments in Sydney, before moving to London to train as a lawyer. Over the years, he has advised on major construction disputes across sectors including airports, hospitals, rail, telecommunications, oil and gas, and renewables throughout the UK, Europe, and the Middle East.

Before joining Colas, Richard worked in private legal practice in Sydney. He is a practising solicitor, a member of the civil branch of Engineers Australia, and a graduate fellow of the College of Law.

Richard holds degrees in law, civil engineering, and finance from the University of Sydney, the Securities Institute of Australasia, and the University of Law in London.

Viraj Sahasrabuddhe
— General Manager Commercial

Viraj joined Colas Australia in 2010 as Group Finance Manager and took on the additional role of SAMI Commercial Manager in 2013. From 2017 to 2019, he served as Group Finance & Commercial Manager, overseeing financial reporting, commercial operations, and key projects including mergers and acquisitions.

In his current role as General Manager Commercial, Viraj leads the Group’s M&A, strategy, and business development activities. He also serves as Executive Director across Colas’ quarrying and contracting businesses in Queensland, New South Wales, and Western Australia, and sits on the Board of Directors of the Group’s strategic joint venture, Bitumen Storage Services (WA) Pty Ltd.

Prior to joining Colas, Viraj worked at Deloitte in Sydney and Atlanta as Audit Manager. He is a Chartered Accountant and CPA, and holds a Master’s Degree in Commerce.