About Us Management

Meet the management

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    Adrian Grabara

    General Director

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

    Adrian Grabara is the co-founder and General 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

    Managing Director

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

    Daniel Bacon is the 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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    David Martin Ruiz

    Managing Director, Vietnam

    M.Sc. in Civil Structural Engineering

    David Martin Ruiz is the Managing Director of gbc engineers Vietnam since November 2020. He owns Master of Science degree in Civil Structural Engineering and is obtaining his Ph.D. During his working histories, he has been holding many management positions in leading multinational companies in the construction field. With over 20 years of professional experience, he demonstrated extensive expetise in Civil Structural Engineering as well as Business Development and Company Management.

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    Thearith Yang

    Managing Director, Cambodia

    M.Eng.

    Since October 2015, Thearith Yang has been 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 Structural Design as well as Project Management.

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    Benny Hillers

    Branch Manager and Authorised Officer, Germany

    Dipl.-Ing.

    Benny Hillers 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 in Berlin. With more than 15 years of professional experience, he demonstrates outstanding expertise in Civil Structural Engineering.