PhD in Computer Science (Machine Learning), Georgia Institute of Technology, 2015

• Thesis: Novel Document Representations based on Labels and Sequential Information

Masters in Computer Science, Georgia Institute of Technology, 2011

Bachelor's in Computer Science and Engineering, Seoul National University, South Korea, 2009

Exchange Program, Stanford University, 2008

Research Engineer L7, Google DeepMind, New York, United States. 2024-current

• Memorization and decoding in large language models

Staff Software Engineer, Google Research, New York, United States. 2015-2024

• Large-scale Machine Learning (large-output spaces, large-language-models, distillation)

Research Assistant, Georgia Institute of Technology, (under Prof. Guy Lebanon and Prof. Haesun Park). 2010-2015

• Representation learning in NLP particularly to leverage domain knowledge and sequential information

• Topic modeling using matrix factorization

• Recommendation systems (local low-rank matrix approximation)

Machine Learning Science Intern, Amazon, Seattle, 2013

• Amazon product-review modeling

• Core NLP toolkit developments

Undergraduate Research Assistant, Biointelligence Laboratory, Seoul, South Korea, 2009

• Cognitive modeling for language learning

Software Engineer (part time) / Intern, Daum Communications, Seoul, South Korea, 2009