Hi! I’m Ratinan “Nat” Lee!

I am a

Certifications

Title Date Certifying Body
Academic
Primary Primary Mar 29, 2002 Phraharuthai Donmuang School
Secondary Junior High Mar 31, 2005 Horwang Nonthaburi School
Senior High Mar 31, 2008 Horwang Nonthaburi School
Tertiary Bachelor of Science (Computer Science) First Class Honors Mar 31, 2012 Thammasat University
Master of Science (Information Systems) Jul 1, 2015 Nanyang Technological University
- Master of Business Administration Future (by 2029) Australia (aim for University of New South Wales)
Professional
AWS AWS Fundamentals Aug 18, 2024 Coursera / AWS
AWS Cloud Practitioner Essentials Sep 9, 2024 Coursera / AWS
Google Google ProjectManagement Sep 6, 2024 Coursera / Google
Google AI Essentials Sep 12, 2024 Coursera / Google
Google UX Design Sep 24, 2024 Coursera / Google
Google Data Analytics Oct 10, 2024 Coursera / Google
Scrum Alliance CSM (Certified ScrumMaster) Feb 9, 2025 Scrum Alliance
Scrum.org PSM I (Professional Scrum Master) Oct 2, 2024 Scrum.org
PSM II (Professional Scrum Master) Nov 17, 2024 Scrum.org
- PSM III (Professional Scrum Master) Future (by 2030) Scrum.org
PSPO I (Professional Scrum Product Owner) Oct 16, 2024 Scrum.org
PSPO II (Professional Scrum Product Owner) Feb 5, 2025 Scrum.org
- PSM III (Professional Scrum Master) Future (by 2030) Scrum.org
Others
English EF SET Certificate: C2 Proficient Aug 8, 2025 Education First (EF)
Japanese 日本語ビギナーコース Sep 22, 2025 Tomo Japanese Language School
- Japanese-Language Proficiency Test (JLPT) N5 Future (by 2026) The Japan Foundation, Japan Educational Exchanges and Services
- Japanese-Language Proficiency Test (JLPT) N4 Future (by 2027) The Japan Foundation, Japan Educational Exchanges and Services
Taiwanese Mandarin - Test of Chinese as a Foreign Language (TOCFL) Future (by 2030) The Steering Committee for the Test Of Proficiency-Huayu (SC-TOP)

CEFR Levels

Language Proficiency Test A1 A2 B1 B2 C1 C2 Mother Tongue
ภาษาไทย
Thai
- Mother Tongue
English EF SET
(Computerized Adaptive Test)
Aug 8, 2025
日本語
Japanese
JLPT
(Paper-based)
N5 80+/180
N4 90+/180
N3 95-103/180 104+/180
N2 90-111/180 112+/180
N1 100-141/180 142+/180
國語|中文(台灣)
Taiwanese Mandarin
TOCFL
(Computerized Adaptive Test)