Changgun Choi
Senior Data Scientist
Germany
Summary
👤
Senior🎓
Top SchoolChanggun Choi is a Senior Data Scientist based in Germany with 4 years of focused experience applying ML and GenAI to R&D and enterprise workflows. At Merck he has led practical GenAI proofs-of-concept—automating lab report generation, building a HazCom chatbot with RAG and ontology integration, and accelerating experimental analysis with LLMs—bridging data engineering, NLP, and Foundry AIP deployments. He combines hands-on implementation of transformer-based models with product-minded delivery, translating advanced research into operational solutions that streamline regulatory and lab processes. His background spans industry and academia, from Bosch procurement analytics to university research in risk management, giving him a strong foundation in both applied analytics and domain collaboration. Fluent in both technical build and stakeholder engagement, he regularly presents work at internal conferences and workshops to drive adoption. A practical innovator, he seeks opportunities where data and AI can simplify complex workflows and empower better decisions.
4 years of coding experience
5 years of employment as a software developer
Bachelor of Engineering - BE, Bachelor of Engineering - BE at Soongsil UniversityBachelor's degree, Bachelor's degree at Berkeley City CollegeMaster of Science - MS, Master of Science - MS at Universität MannheimUniversity of California, Irvine
English, German, Korean
Github Skills (34)
backbone6
keras6
adversarial-attacks6
supervised-learning5
self-supervised-learning5
machine-learning5
python5
toolbox5
pytorch5
video-understanding4
deep-learning4
tensorflow4
classification3
korean-nlp3
vision-transformer3
Programming languages (1)
Github contributions (5)
Changgun-Choi/Thesis-ViT-Robustness
Dec 2021 - Sep 2022
Contributions:147 commits, 130 pushes in 8 months
Changgun-Choi/ConditionalStyleGAN
Jan 2022 - Mar 2022
Conditional implementation for NVIDIA's StyleGAN architecture
Contributions:12 pushes in 1 month
pytorchstylegannvidiadeep-learningconditional
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