Sanghee Choi

Sanghee Choi is a Senior Data Scientist at Remerge GmbH since August 2019, focusing on improving click-through rate (CTR) and conversion rate (CVR) prediction models, analyzing algorithms, and researching optimal bidding methodologies. Previously, Sanghee worked as a Data Scientist at Kakaobank for a fraud detection project and led the A.I. Lab at IGAWorks, specializing in real-time bidding algorithms and campaign optimization. Early career experiences include work as an intern at NCSOFT, where the EXP3 algorithm was implemented, and as a research assistant at Sogang University, contributing to significant research on multi-armed bandit theory and stochastic optimization problems. Sanghee holds a Ph.D. and a Master’s degree in Computer Science and Engineering from Sogang University, alongside a Bachelor's degree in the same field.