William
Vissanuwat
Thongmak
Localization
Expertise in Transcreation, Entertainment, Gaming, Literature and Marketing contents translation
Trillingual with Thai as mother tongue
English - Professional Proficiency (TOEIC 920)
Japanese - High Intermediate (JLPT N2)
Proficient in all major CAT tools, with broad experience in LQA, DTP (Adobe InDesign), and subtitling tools like Aegisub.
Published Project Showreels
In-House Experience

TheSoul Publishing
(Thai Editorial)
Localized and crafted 500+ lifestyle and curiosity articles for Bright Side during 2021-2022. Adapted tone, structure, and visuals for Thai audiences, and managed DTP to ensure natural Thai text placement in image-based media.
Selected samples:

Locallight
(Junior Linguist)
My second house for in-house role. Thrived and grown from 2022 to 2024.and been trusted to develop expertise across a wide range of localization genres especially enterprise and IT , including challenging fields like legal. My work is highly regarded for creative and fluent translation, particularly in marketing, gaming, and entertainment sectors.
Long term collaborations

Words in thai
Serving as a trusted LQA with Words in Thai since 2024, specializing in tech, political and governmental content, gaming, and DTP.
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Welocalize
Joined Welocalize in 2021 at the start of my localization career. Consistently trusted with SEO localization for top tech brands, transcreation and copywriting for major digital platforms, and briefly served as Linguist Lead for a global cloud service provider.

Locallight
Despite my departure in 2024, I’ve maintained a strong connection and continue to be entrusted as a valuable freelance resource, now specializing in the Japanese market within the same field.







