About Us Management

Meet the management

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    Adrian Grabara

    Managing Director

    M.Eng., Membership of Board of Engineers Germany, Registered Structural Engineer in Germany

    Adrian Grabara is a co-founder and Managing Director of gbc engineers. He graduated from Beuth University of Applied Sciences in Berlin and obtained both of his bachelor and master degrees with honors. In the past, he worked for leading construction and engineering consulting companies. Mr. Grabara has diverse expertise and experience in civil and structural design, project and contract management for building, industrial- and infrastructure projects.

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    Daniel Bacon

    Vice Director

    Dipl.-Ing., Membership of Board of Architects and Engineers Berlin, Germany

    Daniel Bacon is a co-founder and Managing Director of gbc engineers. He graduated from Beuth University of Applied Sciences Berlin and has over 10 years experience working in civil structural projects in Germany, Vietnam and Cambodia. From 2011 to 2015, he was also a guest lecturer at Beuth University for reinforced concrete structures. Today, his focus is to lead engineering team to complete projects as well as train and develop the company's engineers. 

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    Thearith Yang

    Managing Director | gbc engineers (Cambodia) Co., Ltd.


    Since October 2015 Thearith Yang is the Managing Director of gbc engineers in Cambodia. He graduated from Gadjah Mada University, one of the most prestigious university in Indonesia. Before joining us, he worked as senior structural engineer at iLi Consulting Engineers Mekong Ltd, also operating under the brand name of INROS LACKNER Cambodia. Mr. Yang has worked on numerous projects across Cambodia and Germany and has extensive experience in civil and structural design as well as project management.

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    Benny Hillers

    Branch Manager and Authorised Officer


    In October 2018 Benny Hillers joined gbc engineers. Currently, he is our branch manager and authorised officer in Germany. For the past years he has been in managing roles at engineering consultancies. He also obtained his diploma in civil engineering with honors in 2005 from Beuth University. With more than 15 years of professional experience he demonstrates outstanding expertise in civil and structural engineering.