Our Management Team

Peter Hofstetter

Peter Hofstetter - Director/Senior Building Certifier

Peter is a Senior Building Certifier at CERTIS. His involvement in the building industry began in 1985 and he has been a building Certifier since 1994. He became a Director of CERTIS in 2000. Peter specialises in identifying areas of cost savings and performance solutions while maintaining compliance with the requirements of the National Construction Code. He has considerable experience in providing advice on aspects of Building Regulation matters as they relate to all commercial buildings. Peter has a specialist interest in laboratory and educational buildings. Peter is the driving force behind the Certis Learning videos and he’s also the inventor of the Rise’n’go Stair Checker, a device to quickly and accurately check the rises and goings of stairs.

Prabha Ponniah

Prabha Ponniah - Director

Prabha Ponniah is a Director of CERTIS. He has over 25 years’ experience as a Structural Engineer and a Building Surveyor. He is a recognized expert for providing leading edge Building Code advice at a senior level and has been a referee with the Building Tribunal. He is well regarded in the building industry for providing alternative performance-based approaches to compliance issues.

Prabha has been a member of the Building Advisory Committee which advises the minister for local government on changes to the National Construction Code and the Building Act and Regulations. His experience in the certification of a wide range of iconic projects makes Prabha one of the most sought-after NCC advisors.

Leonie Tsuji

Leonie Tsuji - Associate | Senior Building Surveyor

Leonie Tsuji is an Associate with CERTIS, key member of our Senior Management Team and AIBS Accredited. She has substantial Senior Building Surveyor experience across all classes of buildings and complexity of projects. Leonie leads a team of Senior Building Surveyors and building certification consultants whose projects include hospitals, aged care facilities, cross laminated timber, mixed use, residential and commercial developments and extensions, warehouses and fit outs.

Leonie works on city-changing projects such as Brisbane’s Cross River Rail development and the tallest residential tower in Queensland: SkyTower. Leonie is known and respected throughout the construction sector for her technical expertise, problem solving capability and for her ability to deliver the right result, every time. She has exceptional interpersonal skills and demonstrated capability to manage relationships with the range of stakeholders involved in even the most complex and lengthy projects.

Aimee Watson

Aimee Watson - Associate | Senior Building Certifier

Aimee Watson is an Associate with CERTIS, Senior Building Surveyor and RICS accredited. Aimee has experience in a variety of project sizes across all classes of buildings. She leads and manages projects in ACT and QLD and specialises in Class 9 buildings including transport, hospitals and aged-care buildings. Most recently being involved in the 4 new Cross River Rail underground stations and the Brisbane Metro in Queensland.

Aimee enjoys the uniqueness of each project she tackles, relishing the opportunity to understand the needs of the client, the complexities of the project and the best interpretation of the NCC to achieve the right result in the right timeframe.

Rick Beardwood

Rick Beardwood - Associate | Senior Building Certifier

A Senior Building Certifier with Level 1 accreditation with RICS, Rick joined CERTIS in 2016. Rick has built an impressive portfolio of experience including mixed use developments, commercial and residential developments, high rises, shopping centres including reconfigurations as well as the range of small commercial and fit-out projects. With experience spanning all Classes of buildings, Rick is one of CERTIS’ most knowledgeable Senior Building Certifiers regarding compliance issues relating to innovative cross laminate timber constructions. Rick also provides consultancy services on a range of issues including the topical combustible aluminium cladding. Rick’s clients are impressed with his ability to apply his knowledge of the NCC to achieve practical, outcome-oriented solutions and the resourceful and confident way he tackles the unique challenges of every job.