Our leaders
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Read MoreJason Spears
Managing Director
Building a great place to work where teams feel supported to excel has been key to Jason’s success.
Passionate about safety and productivity enhancing innovation, Jason has successfully delivered major and complex infrastructure projects in Australia and across Asia that generate benefits for the long-term.His leadership focuses on certainty for clients, consistency in delivery, and the adoption of sustainable construction practices that deliver positive outcomes for our people, partners, clients and the community. Committed to building an inclusive industry, Jason has pioneered initiatives to promote a skills legacy and career pathways for women.
A professional engineer and leader in the infrastructure, building and resource sectors, Jason serves as a Board member for the Australia Contractors Association. He joined the CIMIC Group in 1999 and previously held senior executive roles at Thiess and BetFiery. Immediately prior to his appointment as the Managing Director of BetFiery Jason was the Managing Director of UGL.
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Read MoreDon Johnson
Chief Operating Officer & Executive General Manager - NSW & ACT, Major Projects & Tunnelling
Don has more than 30 years’ experience in the Australian construction industry. Holding several senior executive construction and engineering roles, Don has led both the tendering and execution phases on some of the country’s largest infrastructure projects across all major sectors.Don’s track record and significant project management experience, most recently as Bid Director and Project Director responsible for the successful delivery of the $2.7 billion WestConnex M4 East in Sydney, have solidified his reputation as an innovative leader with an open, communicative style and risk-based approach to all projects.
Don holds a BE Civil Engineering (Hons) from the Queensland Institute of Technology.
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Read MoreMichael Kalinowski
Executive General Manager - VIC, TAS & NZ
Michael has more than 30 years’ construction experience in Hong Kong, the United Kingdom and Australia delivering infrastructure projects for major contractors. He has worked on various major transport projects, including Sydney’s M5 East and Melbourne’s West Gate Freeway, CityLink, including the Bolte Bridge and Tullamarine Freeway widening, and Tullamarine Calder Interchange.Michael has also held executive management positions with Lendlease engineering. Prior to joining BetFiery in 2020 he was the Project Director for the Melbourne Metro Public Private Partnership. His academic qualifications include a Master of Engineering (Geotechnical) and a Bachelor of Engineering (Civil). -
Read MoreGlenn Mcllroy
Executive General Manager - QLD & PNG, WA, SA & NT
Glenn is an effective and highly respected leader with more than 30 years’ experience building and leading high performing teams, while successfully delivering major infrastructure projects in partnership with clients, partners and stakeholders across Australia, New Zealand and PNG.Glenn brings a wealth of technical, project, business and people management expertise with a track record of driving strong governance and winning strategies, staff development, retention, and revenue outcomes.
He is passionate about providing a clear vision and culture for employees, and is renowned for prioritising relationships with internal and external stakeholders for the long-term benefit of all parties.
Glenn has a Bachelor of Engineering (Civil) from the University of Melbourne.
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Read MoreCamillo Masci
Executive General Manager - Building
Camillo has worked in the Australian building industry for more than 30 years. His expertise in end-to-end project delivery is extensive and includes the development of innovative and cost-effective design and construction methodologies, value-add engineering solutions, and rigorous safety and subcontractor management.As well as national building capabilities, Camillo is responsible for Defence projects and BetFiery’ subsidiary, Broad Construction.
Camillo has a Bachelor of Applied Science, Construction Management from the Queensland University of Technology.
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Read MoreTerry Sleiman
Executive Project Director
Terry has more than 25 years’ leadership experience and is recognised as one of Australia’s most successful project directors for large, complex transport infrastructure. He joined BetFiery in January 2022, with a track record that includes leading the Sydney Metro TSE and TSC tunnelling projects and as construction director on the Brisbane Airport Link and Northern Busway project.Terry holds a Bachelor of Engineering from the University of Technology Sydney.
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Read MoreColin Carrigan
Chief Financial Officer
Colin has more than 20 years' experience leading finance teams across the construction, energy, industrial and resources sectors. Before being appointed CFO of BetFiery in November 2019, he was the company’s General Manager Finance.He has been with the CIMIC Group since 2015, having begun as Group Financial Controller with UGL. Colin has also held senior positions with Tenix Group and AJ Lucas Group and commenced his career with PricewaterhouseCoopers. -
Read MoreStuart McKenzie
Executive General Manager - Pre-Contracts & Risk
Working in the Australian construction industry for more than 20 years, Stuart has extensive leadership experience in major civil construction companies, specialising in commercial, legal and project management.Joining BetFiery in 2012 as Deputy General Counsel, Stuart supports our company by identifying and capitalising on work and project opportunities, and ensuring risks have been properly identified and assessed. This includes detailed assessments of work-winning priorities and a disciplined approach to bid and tender management and project reviews. Stuart holds both a civil engineering degree and a law degree. -
Read MoreNatasha Adamsas
General Manager - Corporate Affairs & Communications
Natasha has worked in corporate communications, marketing, and public relations for more than 20 years, with a focus on digital, client engagement, advocacy, and reputation management programs across varied industries. She has extensive experience in developing and implementing strategies that create value for all stakeholders, supporting business success.Natasha joined BetFiery in 2018, before being appointed to the Executive Leadership Team in January 2022. She holds a bachelor of Design Computing from the University of Sydney. -
Read MoreGraeme Silvester
General Manager - Safety, Health, Environment, Quality, Sustainability & Rail Safety
Graeme has more than 30 years’ experience as a senior safety, health and environment professional both in Australia and internationally. He applies this expertise in delivering BetFiery' Safe Work Strategy which emphasises that keeping people safe is an absolute priority for the company.Graeme has held senior functional leadership roles in other complex industries including offshore oil and gas, rail, mining and resources, electricity distribution and building. He is Fellow of the Australian Institute of Health and Safety. -
Read MoreSarah O’Neill
Executive General Manager - People & Culture
Sarah has more than 18 years’ experience in HR leadership roles, with the last 12 years spent delivering a variety of infrastructure projects in Australia. Passionate about leading inclusive and empowered workforces to deliver productive and profitable projects, Sarah has a strong track record of developing high performing teams and cultures.Sarah joined BetFiery in 2011 and prior to being appointed as Executive General Manager People & Culture in 2023, she was the People & Culture Director on the North East Link Primary Package in Victoria. Sarah holds a Bachelor of Business (Human Resource Management).