BUILT ENVIRONS - Key Persons


Greg Ford

Job Titles:
  • General Manager, New Zealand
Greg is a strong and proven team leader who has worked on numerous multi-million dollar projects across diverse market sectors throughout Australia and New Zealand. He has an extensive background in project and construction management and development, acquired through key roles with major organisations in Brisbane, Gold Coast and Auckland. Greg has experience across diverse commercial frameworks, including public-private partnerships, design and construct, managing contractor, and lump sum projects.

Lex Hanegraaf

Lex is a work health, safety, environment and quality management professional with operational experience gained from some of Australia's largest construction projects including the new Royal Adelaide Hospital and the Calvary Adelaide Hospital. With a trade background, Lex has a comprehensive understanding of site operations, recognising the intricacies involved in maintaining a safe and productive work site. Actively involved in various safety forums, he currently serves as the Chairperson for the South Australian Construction Safety Alliance.

Michael Clemenger - Managing Director

Job Titles:
  • Managing Director
Michael is a dedicated and results driven construction professional with over 30 years of experience managing all aspects of project delivery and leading construction businesses across Australia and New Zealand. Michael is a passionate and engaging leader who enjoys building a business that enables him to create teams that deliver on an inspiring vision. Personal, gregarious and socially outgoing, he excels in roles that involve understanding customers and stakeholders, and to build the organisational capabilities to fulfil their needs.

Ryan Bennett

Job Titles:
  • Finance
  • General Manager
Ryan has over 15 years' experience in the construction industry in a broad range of accounting and financial management disciplines. As an integral member of our leadership team, Ryan combines a keen eye for detail with a results-driven approach. His role is pivotal in ensuring the financial health and stability of our organisation through meticulous financial planning and strategic decision-making. Ryan's skill set includes project and business-level budgeting, cost management, depreciation, general ledger and inter-company accounting.

Sasha Loiterton

Job Titles:
  • General Manager, Human Resource
  • Human Resources Leader
Sasha is a focused human resources leader with extensive experience in complex organisational environments. With more than 15 years in the HR industry she brings a high level of emotional intelligence and ability to relate to a diverse range of people from CEO to field employees. Known for implementing strategic HR practices, fostering employee engagement, and ensuring compliance with industry regulations, Sasha is dedicated to building a workforce that drives success in the dynamic world of construction.

Scott Cummins

Job Titles:
  • Aveng CEO

Stefan Lowenadler

Job Titles:
  • General Manager, Commercial
Stefan is a highly motivated construction professional with over 25 years' experience in commercial construction covering projects in Australia, USA, United Arab Emirates, South Africa and the United Kingdom. He is a Commercial Manager with extensive experience and a proven track record in commercial and contractual procedures, delivering comprehensive management and control at both project and business levels. His strengths lie in optimising business processes, fostering key partnerships, and ensuring the seamless execution of projects.

Tony Jachmann

Job Titles:
  • General Manager, South Australia
Tony is a highly experienced professional with an extensive history in delivering multi-faceted and award-winning projects in the South Australian construction industry. He is experienced in managing large teams and complex stakeholders within operational environments and under a variety of contract models. Tony brings a solutions-focused leadership style and fosters strong relationships with trade contractors. In 2022 he was named the South Australian Building Professional of the Year by the Australian Institute of Building.