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Designing your visions, Creating reality


The Holbrook team has  combined 100 years of experience in the construction, design and management industry. Our international experience, local knowledge, and use of the latest technology allows us to be adaptable, nimble, and ready to deliver structures and interior finishing of utmost quality.

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Rob Lorenz Chief Executive Officer

With over 10 years of running major construction projects throughout Thailand, Rob is familiar with Thai culture within construction industry. He has the ability to fluently communicate in Thai and has proven success in project delivery. Prior to establishing himself in Thailand, he had accumulated vast construction experience, playing major roles in the construction of most notably a Chevron gas plant valued at 40 Billion USD on the West Coast of Australia, as well as multi-million dollar homes and condominium along the East Coast of Australia.

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K’Pradubpong Managing Director

K’ Pradubpong is a DBA graduate and an exceptional leader. A visionary in an ever changing workforce, Pradubpong is able to effectively and accurately obtain results and inspire team growth and business excellence.

As a previous vice president of a Thailand leading property development company, his years of experience in construction, property development and business management embolden him in obtaining project success.

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Justin Hallam Chief Financial Officer

A results-orientated Finance Professional with proven international successes in initiating and delivering operational efficiencies.


With more than 35 years of experience across multiple industries and 20 years working internationally mainly in the Middle East and Asia, Justin has been instrumental in achieving operational and financial objectives and identifying deficiencies and potential opportunities.

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Phairoj Jewkaew Engineering Project Director

With 29 years of experience, K. Phairoj has excelled on both the property development side of construction and as a contractor.  He has extensive experience working on low and high rise buildings and excels at design coordination and budget and construction management. He has worked with high-end luxury hotels and projects within Thailand and has worked Internationally for over 6 years as a project director. Phairoj is highly organized and efficient. Phairoj is adaptable and has the ability to successfully find solutions and execute at the highest level on any given project.  He has excellent attention to detail and commands strong leadership skills, making him an asset to the Holbrook team. 

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K’Narongsak Senior Project Director

With over 20 years of experience in construction and hotels as a contractor, K’ Narongsak is an asset to the Holbrook team. With previous experience as the chief engineer for top 5 star hotels in  Samui, Narkongsak brings extensive knowledge of construction and specialized interior works. His International experience overseas, in Dubai and Malaysia as a QC specialist, make his attention to detail one of his greatest attributes and a key component to project excellence.

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Andrew Kloosterhuis Director of Marketing & Business Development 

With over 15 years in Thailand working with various businesses, Andrew has been able to successfully develop multiple business through seeing the gaps and needs in the market. He has over 20 years of graphics background and deep understanding of marketing and promotion. 

With experience in Canada, Australia and S.E.A Andrew is an asset in his abilities to add value to projects through communication, creativity and business analytics. 


We strive to hire the best in the industry and we work and grow as a team. Holbrook has a supportive and progressive approach to our staff and we constantly training and bettering ourselves to stay onto of the ever changing construction industry.  

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