This document summarizes a study analyzing the writing styles of Thai EFL learners compared to native English speakers. The study used a corpus-driven approach, analyzing a corpus of writing projects from Thai university students and comparing it to a British academic corpus. Key findings included Thai learners overusing words like "buy" and underusing hedging words. The study aimed to help improve English writing instruction for Thai students by identifying differences from native styles. Limitations and opportunities for further research were also discussed.