Board of
Directors

Leadership that shapes our future.

The TTW Board of Directors brings together experienced leaders with deep expertise in engineering, business strategy, and organisational governance. Our Board provides strategic direction and oversight, ensuring TTW continues to deliver technical excellence while remaining true to our values and people-first culture.

Our Board

Executive board members

Robert Mackellar

Rob Mackellar is well known in the industry for his strategic thinking, planning and design expertise. As a Non-executive Charman at TTW, Rob leads the company with a passion for engineering excellence and a firm belief in collaborative partnerships with clients. For over three decades, Rob has been intricately involved in a project from concept phase to completion.

Robert Mackellar

Non-Executive Chairman

Kevin Berry

Joining TTW in 2010 after working in NZ and the UK, Kevin has demonstrated his leadership ability resulting in his appointments to Associate Director, Technical Director, Director, and Managing Director in 2023. Kevin leads by example in his relationships with clients, architects, builders, and project managers. His extensive project portfolio testifies to his technical ability.

Kevin Berry

Managing Director

Marten Eddy

Marten leads the Indonesian office, driving commercial success through open and collaborative relationships with TTW’s clients. He is responsible for expanding the studio’s company folio through public and private opportunities, fostering a passionate workforce and implementing the precedent of TTW’s engineering excellence.

Marten Eddy

Executive Director

Glen Fowlie

Glen Fowlie has an entrepreneurial spirit that he takes into each project he joins. With over two decades of engineering experience in New Zealand and Australia, Glen plays a critical leadership role at TTW, as Director. His expertise has been sought after by market-leading architects and buildings firms.

Glen Fowlie

Executive Director

Ciaran Gray

Highly accomplished and commercially focused senior finance leader with over 20 years global experience in a range of industries with a strong ambition for growth and change. Ciaran has a passion and history of building and leading strong finance teams, building strong relationships across matrix organisational structures and experience across all aspects of finance.

Ciaran Gray

Chief Financial Officer

Atreyu de Lacy

Atreyu brings a pragmatic approach to his work and is highly sought after by clients for his ability to balance client expectations and uncover sound engineering design solutions. He is well versed across a range of project sectors including commercial, industrial, residential, retail, government and public, education and sports facilities.

Atreyu de Lacy

Executive Director

Steven Leptos

With 18 years of experience in management consulting, large-scale program delivery, M&A, and operations, Steve is a passionate and driven leader known for solving complex problems and delivering substantial value. Steve holds an MBA, Bachelor of Business and Certificate IV in Chinese language.

Steven Leptos

Chief Operating Officer

Barry Young

Barry Young has over three decades of global experience as an engineer and industry leader. Barry is well known for his creative vision and pursuit of engineering excellence, which has inevitably led to Barry taking principle lead of a multitude of award-winning projects. He continually embraces innovation and advocates smart building through the exploration of new materials, methodologies and technology.

Barry Young

Executive Director

Ross McDougall

With over thirty years of experience, Ross has a deep understanding of the construction landscape and is intuitive to changes in clients’ needs and expectations. His commercial and collaborative approach has driven success for the Canberra studio and has developed significant long-standing client relationships.

Ross McDougall

Executive Director

Ready to start your journey?

We’re always looking for talented, curious people who want to make a meaningful contribution. Whether you’re a graduate, intern, or experienced professional, we’d love to hear from you.

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