CV

Curriculum Vitae of Kyung Hyun Lee — AI Researcher, PhD Student in Digital Health, Co-founder & CEO of BreathYou.

Contact Information

Name Kyung Hyun Lee
Professional Title Clinical AI Researcher
Email lkh256@gmail.com

Professional Summary

PhD student in Digital Health at SAIHST, Sungkyunkwan University. AI researcher working on clinical time-series deep learning, medical AI regulatory pathways, and respiratory digital health. Co-founder & CEO of BreathYou.

Experience

  • 2025 - present

    South Korea

    Co-founder & CEO
    BreathYou
    Digital health startup focused on allergy and respiratory AI, developing DeepBreath CDSS and MediPipe.
    • Selected for 2025 Pre-startup Package
    • DeepBreath CDSS: Clinical decision support for predicting pulmonary function decline trajectories
    • MediPipe: OCR/NLP pipeline for medical record processing
  • 2022 - present

    Seoul, South Korea

    Researcher (2024 – present) · Industrial Technical Personnel — Alternative Military Service (2022 – 2024)
    AITRICS
    Medical data (RWD) cleaning, analysis pipeline construction, predictive model development, and external validation. Contributed to the cardiac arrest early-warning model that obtained MFDS (Korean FDA) approval as an AI medical device, and currently leading product development of a self-developed AKI prediction model toward MFDS approval.
    • Research design for clinical data analysis projects
    • Data extraction and cleaning from multi-center hospitals
    • Automated data analysis pipelines using Airflow
    • Deep learning-based clinical time-series prediction models
    • Clinical simulation-based model evaluation and survival analysis
    • Cardiac arrest prediction model — supported MFDS approval as an AI medical device
    • AKI prediction model — developed the model and currently leading productization toward MFDS approval
  • 2022 - 2022

    South Korea

    Biosignal AI Research Engineer
    Exosystems
    Deep learning-based EMG modeling for Muscle Quality monitoring.
    • RNN, CRNN-based Muscle Quality time-series prediction model development
    • Clinical validation-oriented AI model evaluation
  • 2021 - 2022

    Incheon, South Korea

    Research Fellow
    Incheon National University
    • EMG-based real-time hand gesture recognition algorithm R&D
    • Deep learning-based ECG modeling for autonomic nervous system monitoring
  • 2018 - 2021

    Seoul, South Korea

    Research Fellow
    Samsung Medical Center & SAIHST
    EHR data extraction and analysis from CDW; development of ML-based CDSS.
    • Data cleaning and health checkup database construction
    • Text mining of unstructured medical records
    • Statistical analysis and predictive/diagnostic model development

Education

  • 2026 - present

    Seoul, South Korea

    PhD Student
    Sungkyunkwan University (SAIHST)
    Digital Health
    • Advisor: Prof. Byung-Jae Lee
    • Research on Transformer-based trajectory models of respiratory health
  • 2019 - 2021

    Seoul, South Korea

    Master of Science
    Sungkyunkwan University (SAIHST)
    Digital Health
    • Advisor: Prof. Mira Kang
    • M Lab. — Statistical analysis and predictive model development using medical big data
  • 2014 - 2019

    Incheon, South Korea

    Bachelor of Science
    Incheon National University
    Electronic Engineering & Computational Neuroscience
    • Advisor: Prof. Sangwon Byun
    • Bioelectronics Lab. — Biosignal (ECG, EMG) data collection, signal analysis, and real-time prediction model development

Awards

  • 2022
    Human Understanding AI Paper Competition — Top 7 & ETRI Director's Award
    ETRI, Ministry of Science and ICT

    Multimodal Attention-based Korean emotion recognition model combining RoBERTa (Text) and Wav2vec 2.0 (Audio)

  • 2021
    OCR AI Training Data Hackathon — Excellence Award
    Ministry of Science and ICT, NIA

    AI-Assisted OCR Annotation System for pharmaceutical products (CRAFT-based)

  • 2021
    Medical Information Analysis Expert Advanced Course — Grand Prize
    Ministry of Health and Welfare, Asan Medical Center

    Real-time BIS prediction model using intraoperative EEG data (25-second lookahead)

  • 2020
    Medical AI Expert Training Course — Excellence Award
    Korea Human Resource Development Institute for Health & Welfare

    30-day mortality and ICU admission prediction model using preoperative and intraoperative vital signs

  • 2018
    STAR Program Paper Presentation — Grand Prize
    DSP-IN-U Smart Device Talent Development Program

    EMG-based real-time hand gesture prediction model development

Certificates

  • Medical Information Analysis Expert Advanced Course - Korea Human Resource Development Institute for Health & Welfare, Asan Medical Center (2021)
  • Google Developer Machine Learning Boot Camp - Google Developers (2021)
  • Medical AI Expert Training Course - Korea Human Resource Development Institute for Health & Welfare (2020)

Skills

Programming & ML (Expert): Python, PyTorch, TensorFlow, Scikit-learn
Data & Database (Expert): SQL (PostgreSQL), Airflow, Data Pipeline
Statistics & Analysis (Advanced): R, Survival Analysis, Clinical Statistics
Web Development (Intermediate): FastAPI, Flask, JavaScript, HTML/CSS, AWS

Languages

Korean : Native speaker
English : Professional working proficiency

References

  • Prof. Sangwon Byun

    Incheon National University, Department of Electronic Engineering; Bachelor’s advisor (Bioelectronics Lab. · Scholar)

  • Prof. Mira Kang

    Samsung Medical Center; Master’s advisor at SAIHST, Sungkyunkwan University

  • Prof. Jin-Young Lee

    Samsung Medical Center, Health Promotion Center

  • Prof. Byung-Jae Lee

    Samsung Medical Center, Department of Allergy and Clinical Immunology; Doctoral advisor at SAIHST, Sungkyunkwan University