Yeontaek Oh is a seasoned AI/ML engineer with deep expertise in building and scaling large language models and search systems across leading tech companies in Korea.
He is currently a software development professional at NAVER Cloud, contributing to the development of Hyperscale AI models, including HyperCLOVA, and advancing core infrastructure for next-generation AI services.
Prior to that, Yeontaek worked at Toss (Viva Republica) as a data scientist in the Machine Learning Service Team, where he led critical projects such as training and launching the Toss Search model, building an advertising message generation system using KoGPT 6B with instruction tuning, and deploying customer service chatbots integrated with ChatGPT. His work led to exceptional recognition on the Open LLM Leaderboard, achieving:
1st place in the 13B category (Aug 2023)
Top 5 in the 70B category (Sep 2023)
1st place in the 7B category (Sep 2023)
Yeontaek began his AI career at NAVER Corp, where he worked on the Naver Search CIC, focusing on creator content analysis and intelligent search ranking systems.
Passionate about applied AI, scalable model training, and impactful service delivery, Yeontaek brings a rare combination of deep technical knowledge and practical product thinking, with a strong commitment to pushing the boundaries of AI capabilities in real-world environments.More...
Taehoon Kim
Manager@PWC
Verified
With a background in search and recommendation engineering at Naver and Coupang, I’ve always been passionate about connecting people with the right information. I love building tech that feels helpful and human.More...