ข้ามไปยังเนื้อหาหลัก

Kobkrit Viriyayudhakorn, Ph.D.

CEO & Founder, iApp Technology · Founder, OpenThaiGPT

Portrait of Kobkrit Viriyayudhakorn

Education

Japan Advanced Institute of Science and Technology (JAIST) — Ishikawa, JapanApril 2010 – March 2013
Ph.D. (Knowledge Science) — Excellent Thesis Award
  • Artificial Intelligence for Creativity Support Groupware.
  • Artificial Intelligence for Divergent/Convergent Thinking Support Systems.
  • Information Retrieval and Data Mining for Creativity Support Systems.
  • Advisor: Prof. Susumu Kunifuji.
TAIST Tokyo Tech Program, Sirindhorn International Institute of Technology, Thammasat University — Pathum Thani, ThailandApril 2008 – April 2010
M.Eng. (Information and Communication Technology for Embedded Systems)
  • Automatic Cross-Language Translation and Synonym Pairs Extraction.
  • Advisor: Dr. Cholwich Nattee. Co-Advisor: Prof. Thanaruk Theeramunkong.
  • GPA: 3.77.
Sirindhorn International Institute of Technology (SIIT), Thammasat University — Pathum Thani, ThailandApril 2004 – April 2008
B.Sc. (Computer Science), second-class honours
  • A Statistical Approach to Classify Nationality of Name.
  • Automatic Shape Detection Drawing Application in Linux: SRDIA.
  • Advisor: Dr. Cholwich Nattee.
  • GPA: 3.67.

Honours &
Awards

2023Second Runner-up, Huawei Cloud Startup Ignite Competition (Asia-Pacific), selected among 1,500+ startups for innovative AI solutions.
2022AI Innovation Jumpstart Award, National Innovation Agency (NIA) and NSTDA, awarded to iApp Technology for innovative AI solutions addressing Thai business needs.
2020First Prize (Professional Category), The National Software Contest of Thailand (NSC 2020), “Automatic Question-Answering System on Thai Wikipedia”, NSTDA.
2019Bronze Medal, the 47th International Exhibition of Inventions of Geneva, “AI for Monitoring Thai Public Budget Spending”.
2018First Runner-up, LINE HACK 2018, Thailand — “LINE Jukebox”, a music-playlist controller chatbot for a jukebox in a shared space.
2018First Runner-up in AI Development, Startup Thailand Hackathon — “Ai-Ball”, an e-commerce chatbot for selling sportswear via Facebook and LINE.
2017Best Alumni Award, TAIST-Tokyo Tech Graduation Ceremony.
2015Gold Medal with Consideration of the Jury, Innovation Contest, the 43rd International Exhibition of Inventions of Geneva, “Automatic Semantic-based Multi-document Summarization”, 15–19 April 2015.
2013Ph.D. Excellent Thesis Award, Japan Advanced Institute of Science and Technology.
2012Best Paper Award, KICSS 2012 Conference — “The Impact of the Background Knowledge and the Friendship Closeness on the Team Creativity in a Realtime Creativity Support Groupware”.
2008First Runner-up in Open-source Software Development, The Tenth National Software Contest of Thailand (NSC 2008) — “Sketch Recognition for Diagram Construction”.
2008Passed the Fundamental Information Technology Engineer’s Examination of the Software Industry Promotion Agency (SIPA) and the National Electronics and Computer Technology Center (NECTEC), 14 March 2008, Bangkok, Thailand.
2006–07Winner of the 2006 and 2007 SIIT Programming Competition, Sirindhorn International Institute of Technology, 29–30 June 2006 and 27–28 June 2007.

Research
Interests

Natural Language Processing, Large Language Models, Generative AI, Machine Learning, Deep Learning, Speech Processing, Optical Character Recognition, and Creativity Support Systems.

Professional
Experience

iApp Technology Co., Ltd. — Pathum Thani, ThailandApril 2013 – Present
CEO, Founder
  • Leading Thai sovereign AI company delivering AI solutions to 30+ large enterprises and government agencies, serving millions of end users.
  • iApp AI APIs platform (50+ APIs): Thai OCR and document AI, eKYC and face recognition, speech-to-text, and text-to-speech (Kaitom Voice).
  • Chinda LLM: Thai large language model platform for enterprise use.
  • iBeta PAD Level 1 certification with 0% APCER for face anti-spoofing (2024); ISO/IEC 29110 certified (2021, 2025).
OpenThai (formerly OpenThaiGPT)2022 – Present
Founder and Project Lead
  • Thailand’s leading open-source Thai-centric large language model.
  • Released OpenThaiGPT 1.0, 1.5, 1.6, and R1 (Thai reasoning model), achieving state-of-the-art Thai language performance among open-source models.
House of Representatives of Thailand — Bangkok, Thailand2024 – 2025
Vice-Chairperson, Extraordinary Commission on Artificial Intelligence Governance
  • Studying approaches for the supervision and promotion of artificial intelligence technology in Thailand.
Artificial Intelligence Entrepreneur Association of Thailand (AIEAT) — Pathum Thani, ThailandJanuary 2021 – Present
President (2021 – 2024), Honorary Committee Member
  • A founding member of AIEAT.
  • Initiated and led the OpenThai (formerly OpenThaiGPT) project.
  • AIEAT Startup Incubator program and AIEAT School.
  • Thailand AI Startup Report 2021.
Artificial Intelligence Association of Thailand (AIAT) — Pathum Thani, ThailandDecember 2015 – Present
Special Committee
  • A founding member of AIAT.
  • Super AI Engineer Program.
  • AI-Mask: AI for detecting citizen face masks on surveillance videos from 20 CCTV cameras of the Bangkok Metropolitan region.
Sirindhorn International Institute of Technology (SIIT), Thammasat University — ThailandApril 2016 – January 2018
External Lecturer and Researcher
  • ET630: Introduction to Artificial Intelligence.
  • ET631: Data Warehouses and Data Mining.
  • ITS488: VR Game Programming.
  • ITS484: Mobile Application Development by React-Native.
  • ITS102: Object-oriented Programming.
Rushbike Pte. Ltd. — SingaporeJune 2014 – April 2016
CTO
  • Motorcycle riders and customers matching platform.
  • iOS and Android application for motorcycle riders and customers.
Fuji Xerox Palo Alto Laboratory — Palo Alto, CAMay 2012 – August 2012
Text Mining Summer Intern
Building Insight from Software Forums
  • Preprocessing messy unstructured text to machine-readable form.
  • Extracting and clustering product features written in a software forum.
  • Mapping each product feature to relevant software products.
  • Constructing the web application for collecting the labeled data.
Elixir Software Co., Ltd. — Bangkok, ThailandMarch 2011 – April 2011
Part-time Web Developer
Java/GWT Web Developer
  • Store management web application.
Thothmedia Co., Ltd. — Bangkok, ThailandSeptember 2008 – October 2008
Web Developer
PHP Web Developer
  • Video streaming web control panel for an Internet TV publisher.
  • PHP (CodeIgniter), JavaScript programmer.
National Electronics and Computer Technology Center (NECTEC) — Pathum Thani, ThailandApril 2008 – May 2008
Intern
Embedded System Technology Researcher
  • Field-programmable gate array designer and developer.
  • FPGA programming (VHDL) for an engine control unit (ECU) in a consumer car.
VCharkarn.com — Bangkok, ThailandNovember 2007 – February 2008
Part-time Web Developer
PHP Web Developer
  • Constructing the Robocode programming competition website.
VCharkarn.com — Bangkok, ThailandFebruary 2006 – November 2006
Part-time Web Developer
PHP Web Developer
  • Adding a LaTeX formatting system to the webboard.

Publications

Citations: 100+ · h-index: 6 · i10-index: 4 (Google Scholar, July 2026)

  1. Thittipat Pairatsuppawat, Abhibhu Tachaapornchai, Paweekorn Kusolsomboon, Chutikan Chaiwong, Thodsaporn Chay-intr, Kobkrit Viriyayudhakorn, Nongnuch Ketui, and Aslan B. Wong. “SiamGPT: Quality-First Fine-Tuning for Stable Thai Text Generation.” arXiv preprint arXiv:2512.19455 (2025).
  2. Sumeth Yuenyong, Thodsaporn Chay-intr, and Kobkrit Viriyayudhakorn. “OpenThaiGPT 1.6 and R1: Thai-Centric Open Source and Reasoning Large Language Models.” arXiv preprint arXiv:2504.01789 (2025).
  3. Thodsaporn Chay-intr, Y. Chen, Kobkrit Viriyayudhakorn, and Thanaruk Theeramunkong. “LLaVaC: Fine-tuning LLaVA as a Multimodal Sentiment Classifier.” arXiv preprint arXiv:2502.02938 (2025).
  4. Sumeth Yuenyong, Kobkrit Viriyayudhakorn, Apivadee Piyatumrong, and Jillaphat Jaroenkantasima. “OpenThaiGPT 1.5: A Thai-Centric Open Source Large Language Model.” arXiv preprint arXiv:2411.07238 (2024).
  5. Sumeth Yuenyong, Natapong Buppodom, Kanarat Sangkaew, Knight Boonmeeprakob, et al. (incl. Kobkrit Viriyayudhakorn). “DataDecon: Data Cleansing Tools for Large Language Model with Efficient Decontamination Techniques.” In 2024 19th International Joint Symposium on Artificial Intelligence and Natural Language Processing (iSAI-NLP). IEEE, 2024.
  6. Tachanun Kangwantrakool, Kobkrit Viriyayudhakorn, and Thanaruk Theeramunkong. “Software Development Effort Estimation from Unstructured Software Project Description by Sequence Models.” IEICE Transactions on Information and Systems 103.4 (2020): 739–747.
  7. Theerapat Lapjaturapit, Kobkrit Viriyayudhakorn, and Thanaruk Theeramunkong. “Multi-candidate Word Segmentation using Bi-directional LSTM Neural Networks.” In 2018 International Conference on Embedded Systems and Intelligent Technology & International Conference on Information and Communication Technology for Embedded Systems (ICESIT-ICICTES). IEEE, 2018.
  8. Virach Sornlertlamvanich and Kobkrit Viriyayudhakorn. “Social Movement Understanding by Keyword Tracking.” EJC, 2014.
  9. Kobkrit Viriyayudhakorn. “Creativity Assistants and Social Influences in KJ-Method Creativity Support Groupware.” Ph.D. dissertation, Japan Advanced Institute of Science and Technology, 2013.
  10. Kobkrit Viriyayudhakorn and Susumu Kunifuji. “Automatic Topic Identification for Idea Summarization in Idea Visualization Programs.” IEICE Transactions on Information and Systems 96, no. 1 (2013): 64–72.
  11. Kobkrit Viriyayudhakorn and Susumu Kunifuji. “The Impact of the Background Knowledge and the Friendship Closeness on the Team Creativity in a Realtime Creativity Support Groupware.” In Knowledge, Information and Creativity Support Systems (KICSS), 2012 Seventh International Conference on, pp. 89–96. IEEE, 2012. ★ Best Paper Award
  12. Kobkrit Viriyayudhakorn and Susumu Kunifuji. “The Effectiveness of Three Communication Methods in a Realtime KJ Method Creativity Support Groupware.” In Knowledge-Based and Intelligent Information and Engineering Systems (KES), 2012 Sixteenth International Conference on, pp. 1837–1846. IOS Press, 2012.
  13. Kobkrit Viriyayudhakorn and Mizuhito Ogawa. “Associative Search on Shogi Game Records.” IPSJ Online Transactions 4 (2011): 147–159.
  14. Kobkrit Viriyayudhakorn, Susumu Kunifuji, and Mizuhito Ogawa. “A Comparison of Four Association Engines in Divergent Thinking Support Systems on Wikipedia.” In Knowledge, Information and Creativity Support Systems (KICSS), 2010 Fifth International Conference on (2010): 226–237.
  15. Kobkrit Viriyayudhakorn, Cholwich Nattee, Thanaruk Theeramunkong, Thepchai Supnithi, and Manabu Okumura. “Automatic Named Entity Translation Extraction for Languages without Explicit Word Boundary.” In Information and Communication Technology for Embedded Systems (IC-ICTES), 2010 First International Conference on (2010). ★ Best Presentation of Session Award
  16. Kobkrit Viriyayudhakorn, Cholwich Nattee, Thanaruk Theeramunkong, Thepchai Supnithi, and Manabu Okumura. “Automatic Extraction of Thai-English Term Translations and Synonyms from Medical Web using Iterative Candidate Generation with Association Measures.” In Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), 2009 Thirteenth International Conference on, Thai track session, post-processing of (2009).
  17. Kobkrit Viriyayudhakorn, Cholwich Nattee, and Thanaruk Theeramunkong. “Iterative Candidate Generation with Association Measures for Translation and Synonym Pairs Extraction on Thai-English Medical Terms.” In Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), 2009 Thirteenth International Conference on, Thai track session (2009).
  18. Kobkrit Viriyayudhakorn, Thanaruk Theeramunkong, and Cholwich Nattee. “Mining Translation Pairs for Thai-English Medical Terms.” In Knowledge, Information and Creativity Support Systems (KICSS), 2008 Third International Conference on (2008).
  19. Kobkrit Viriyayudhakorn, Chativit Prayoonsri, Chaklam Silpasuwanchai, Cholwich Nattee, and Thanaruk Theeramunkong. “A Statistical Approach to Classify Nationality of Name.” In Symposium on Natural Language Processing (SNLP), 2007 Seventh International Conference on (2007).

Languages

EnglishProficient (TOEIC: 915)
ThaiNative

Computer
Skills

Deep Learning & LLMPyTorch, Hugging Face Transformers, LoRA/QLoRA Fine-tuning, vLLM, RAG, TensorFlow
Programming LanguagesPython, JavaScript/TypeScript, Java, PHP, C, HTML5/CSS, LaTeX + PGF, Bash script
Web FrameworksReact, Next.js, NodeJS, AngularJS
Mobile ApplicationsReact-Native, Flutter, iOS, Android
Cloud ComputingAmazon Web Services, Google Cloud Platform, Azure, Huawei Cloud
DatastoresPostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, SQLite
DevOpsDocker, Kubernetes, Git, CI/CD
Operating SystemsmacOS, Linux (Ubuntu, Debian), Windows

Referees

Available on request.

Last updated July 2026