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Habib Mehdi

Managing Director

Habib is the Managing Director of HHH with over 10 years of experience in building services, electrical engineering and project management. He has a strong commitment to world-class service and works closely with clients from the conceptual design stages through to the final turn-over. He monitors all projects to ensure they are delivered to client specifications whilst complying with standards, legislation and regulations. His expertise is in the design of electrical and fire building services for government and the multi-unit residential, commercial and retail sectors.

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Phillip Hangyasi

Associate mechanical engineer

Phillip is a mechanical & ventilation engineer with over 15 years of experience in the building services industry. He specialises in design engineering and has been involved in the design of new and refurbished buildings, data centres, hospitals, educational institutions and community facilities, as well as, fit outs for retail outlets. Philip was the Design Engineer, Project Manager and Contract Administrator of the University of Sydney Business School, Westfield Warringah Extension to name a few.

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Gary Sleiman


Gary is a talented Interior Architect with an enviable track record in the International and Australian markets. He is highly creative with exceptional skills in planning, designing, detailing and client relationship building. His project management expertise has been proven in a range of commercial, residential and retail projects that have encompassed new builds, refurbishments and fit-outs. He delivers all projects to the agreed programme and budget. Gary was awarded the Silver (2nd) Prize for the Best Design during the Hotel, Hospitality and Design Expo in 2010.

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Anthony Gilbert

hydraulic services

Anthony has 10+ years experience in the hydraulic and plumbing industry spanning mixed use commercial, to high rise residential and multi unit developments.

His diverse project portfolio has given him a greater insight in systems design, site installation, co-ordination and problem-solving during construction. Following the completion of his plumbing trade and license course in 2010, Anthony began his diploma in hydraulic services to which he has remained in the industry since.


Moe Najdi

Electrical Engineer

Moe is an electrical engineer and upcoming prodigy. With 2 years of experience under his belt, he is shaping to be one of the leaders of HHH in the future. His great work ethic and work rate he always ensures that HHH is providing not only high quality electrical services but also strives for the best client interaction.