Our Team

1,500 people leading a team of 20,000 across our sites globally

The Built Team

Together, Built’s board members have been responsible for growing some of Australia’s most iconic construction and property businesses recognised on a global scale.

Statutory Board

Executive Chairman & Founder

Marco Rossi

Marco is the Executive Chairman and Founder of Built Group. He has dedicated the past 26 years to the vison for Built Group and its position as one of Australia’s largest construction companies. At the core of the company’s growth, he has driven a consistent leadership approach focused on client relationships and a high-performance team culture. In recent years, Marco has invested in innovation, questioning established social conventions, and instigating rejuvenation across the construction industry.

Chairman

Wal King AO

Wal is the former CEO of Leighton Holdings Limited. He was responsible for Leighton’s significant growth, transforming a $17 million mid-tier construction company into a diversified contractor with operations across Australia, Asia, and the Gulf region turning over $25 billion. With over 40 years in construction, he was made Officer of the Order of Australia in 2004 for his service to the Australian construction industry, along with being named businessman of the year in 2001 and 2008. Wal is currently a Director of Rock Art Australia and a former Director of Coca-Cola Amatil Limited.

Wal joined the Board in 2019.

Independent Director

Dieter Adamsas

Dieter is the former Deputy CEO and CFO of Leighton Holdings Limited. He was working side by side with Wal King through Leighton’s business expansion. With over 40 years in construction, he has held various roles in senior accounting and commercial positions. Dieter is a former Director of the Committee for Economic Development of Australia (CEDA), life member of Financial Executives International of Australia, member of the University of New South Wales Business Advisory Council, and Fellow of the Australia Institute of Company Directors, and formerly a Member of the Trade Advisory Council.

Dieter joined the Board in 2019.

Independent Director

Gabrielle Trainor AO

Gabrielle has more than 25 years’ experience on boards and is a Director of Infrastructure Australia, Western Parkland Authority (NSW), the ACT City Renewal Authority, and is a board member of the Major Transport Infrastructure Authority (Vic). Chairing the Construction Industry Culture Taskforce, a joint project of industry and the NSW and Victorian Governments, Gabrielle is focused on securing the long-term sustainability of our industry. She is a Churchill Fellow and a member of Chief Executive Women. In 2017, Gabrielle was named an Officer in the Order of Australia for service to community in transport and infrastructure planning and design, and as a contributor to social welfare and sporting institutions.

Gabrielle joined the Board in 2021.

Independent Director

Peter Allen

Peter is the former Executive Director and CEO of Scentre Group. He brings extensive industry knowledge and expertise from his 30 years of business transformation, including leading a global organisation through the COVID-19 pandemic. Through his time leading the group, he was recognised for his vision, dedication, and hard work that changed the way the company operates, placing it in a strong leading position returning close to $1 billion in profit in his final year. Prior to Scentre Group’s establishment in 2014, he was CFO of Westfield and held multiple leadership positions at Westfield and Citibank in Australia, United Kingdom, Europe, and USA. Peter is also a Director of the Victor Chang Cardiac Research Institute

Peter joined the Board in 2023.

CEO, Built Group

Brett Mason

Brett is the CEO of Built Group. He has responsibility for leading and executing Built Group’s group-wide strategy and oversees operations across Australia, New Zealand, and the United Kingdom. He has been with Built since its inception, holding several senior management roles, and has over 35 years’ experience in all facets of construction and property development from both his time at Built and 10 years prior with tier 1 contractors.

Brett sits on the board of both the Australian Constructors Association and the Green Building Council of Australia.

Executive Team

CEO, Built Group

Brett Mason

Brett is the CEO of Built Group. He has responsibility for leading and executing Built Group’s group-wide strategy and oversees operations across Australia, New Zealand, and the United Kingdom. He has been with Built since its inception, holding several senior management roles, and has over 35 years’ experience in all facets of construction and property development from both his time at Built and 10 years prior with tier 1 contractors.

Brett sits on the board of both the Australian Constructors Association and the Green Building Council of Australia.

Director Corporate Services & CFO

Rob Bonaccorso

Rob has over 30 years’ experience in finance and has held a number of senior roles in diverse industries including engineering, property, and transport. He is responsible for finance, including accounting and treasury, along with corporate services including safety, operations, project risk, and People & Culture at Built.

General Counsel & Company Secretary

Andrew Lonsdale

Andrew brings over 35 years’ legal experience in corporate and commercial law, specialising in construction law. He plays a key part in Built’s culture of dispute-free project execution. Previously he was General Counsel at Lendlease and Abigroup.

Director People & Culture

Sarah Wilson

Sarah has over 20 years’ experience in Human Resources working across construction, professional services, IT, and utilities sectors. She is responsible for Built’s people programs including recruitment, our Built Worthy culture, training, and development.

Director, NSW

Steve Boss

Steve is responsible for Built’s New South Wales Construction business. He is a well-respected construction industry leader with over 30 years’ experience. Steve is known for his technical capability and leadership strengths, combined with his long-standing relationships in the industry.


Director, Vic & SA

Ross Walker

Ross is responsible for Built’s Victorian and South Australian businesses across construction and fitout & refurbishment. Ross has over 20 years’ experience within the construction industry across multiple sectors and has successfully delivered several large-scale design & construction and Public Private Partnership (PPP) projects.

National Director 

Mitch Futcher

Mitch has over 24 years’ industry experience and is responsible for Built’s national client program and strategic business development for the group. He also oversees key operational teams including strategic business development, strategic growth, corporate affairs, marketing, communications, and submissions.

Director, WA

Jon Stone

Jon is responsible for Built’s Western Australian business and has over 20 years’ industry experience. He is a well-respected construction industry leader, having delivered projects to the value of $5bn for tier 1 builders in the United Kingdom, Western Australia, and South Australia.

General Manager, Qld

Christian Adamson

Christian is responsible for Built’s Queensland business. With over 20 years’ industry experience, he brings expertise across procurement, programming, design, and quality management, as well as developing and maintaining strong client and subcontractor relationships.

Director HSE

Paul Farrell

Paul brings over 25 years’ experience as a workplace health and safety professional, providing process, planning, and delivery expertise across a range of sectors including steel, oil and gas, aviation, and construction. He is known for his authenticity, visible safety leadership, and genuine care of others to drive a generative safety culture.


Director Strategic Growth, Corporate Affairs & Marketing

Kaitlyn Davidson

Kaitlyn has 15 years experience in the property industry with prior roles at Rider Levett Bucknall and Property Council of Australia. She is responsible for developing Built’s strategies to assist with strategic growth, identifying emerging markets, government relations, PR and media, brand, marketing and communications, and submissions.

Kaitlyn sits on the Board of the Australian Contractors Association.

Development Director

Jono Cottee

Jono has over 18 years’ property industry experience specialising in property development, design, delivery, and leasing. He is a trained architect and designer, and leads Built’s development business, responsible for managing the end-to-end development pipeline.

Jono sits on the Property Council of Australia’s Commercial Office and Cities Committee.

Director National Operations 

James Barta

James has over 18 years’ experience in the industry, working across some of Built’s largest and highest profile projects. He leads Built’s national operations division, including digital engineering and innovation, sustainability and social impact, and quality. He brings his extensive skills in managing complex design, quality, and change management to drive operational excellence and digital solutions at Built.

Director Project Risk 

Gary Stagnitta

Gary has over 30 years’ experience within the construction industry across project delivery, consulting, and commercial roles. He is responsible for overseeing and advising on group-wide risk and governance, and ensuring operational excellence in commercial management.

Director NSW Fitout & Refurbishment, Small Works, ACT, NZ & UK

Joshua Whittaker

Josh leads Built’s New South Wales Fitout & Refurbishment, Australian Capital Territory, United Kingdom, and New Zealand businesses, and has over 20 years’ experience delivering projects across all sizes and sectors. With an industry reputation for solving complex problems and delivering projects in diverse live environments, his collaborative approach and ability to build relationships is what drives exceptional outcomes on his projects.

Built Worthy Culture

Our Built Worthy culture is the heart and soul of everything we do – it’s what we are most proud of creating over 26 years.

Diversity & Inclusion

Advancing the industry through a more diverse and inclusive workforce

Diverse perspectives challenge our thinking, lead to more innovative solutions, and help shape the communities we work, live, and build in.

At Built, we’re committed to creating and maintaining a diverse and inclusive workforce that celebrates our differences and fosters a culture of understanding and support.