Dear hotel developer, im not from Thailand but im from the Philippines, incase you wont find anyone from Thailand maybe i can help you out.
Im an Architect with a comprehensive experience on Architecture, Landscape and Interior Design. And having an excellent Master Planning & 3d Visualization skills, I believe that I would be perfect for this project.
Kindly check my portfolio for reference.
Hoping to hear from you soon.
Cheers,
Joel