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Principal Investigator

Research Interests

Coating process fundamentals

  • Slot-die and multilayer coating flows — coating & quality windows, edge morphology control
  • Drying of particulate films and drying-driven particle assembly
  • Computational models of free-surface and two-phase flows in coating processes

Suspension & slurry rheology

  • Rheology and dispersion of battery electrode and fuel-cell catalyst slurries
  • Multiscale structure characterization linking slurry microstructure to processability (scattering, NMR relaxometry)
  • Yield stress, thixotropy, and extensional behavior of concentrated suspensions

AI/ML-driven coating process research

  • Physics-informed machine learning for probabilistic quality windows with calibrated uncertainty
  • Bayesian optimization and active learning of process conditions and formulations
  • Vision-based process sensing — e.g., direct video-to-viscosity inference

Self-driving laboratories for manufacturing

  • Closed-loop autonomous experimentation for unit processes — mixing, coating, and drying
  • Processability and scale-up screening of new materials, treating failure conditions as first-class data
  • Toward autonomous R&D for coating and liquid-based manufacturing processes

Education

  • Ph.D., Chemical Engineering

    University of Minnesota, 2009

    Coating Process Fundamentals Program — Advisors: Prof. Marcio S. Carvalho and the late L. E. "Skip" Scriven

  • M.Eng., Chemical Engineering

    Seoul National University, 2004

    Process System & Safety Laboratory — Advisor: Prof. Ensup Yoon

  • B.Eng., Chemical Engineering

    Seoul National University, 2000

    Summa Cum Laude

Academic Appointments

  • Professor — School of Chemical and Biological Engineering, Seoul National University
    Fall 2025 – Current
  • Associate Professor — School of Chemical and Biological Engineering, Seoul National University
    Fall 2020 – Fall 2025
  • Assistant Professor — School of Chemical and Biological Engineering, Seoul National University
    Fall 2017 – Fall 2020
  • Assistant Professor — Department of Chemical Engineering, Sungkyunkwan University
    Spring 2012 – Spring 2017
  • Postdoctoral Researcher — Rice University (Prof. Matteo Pasquali) & RWTH Aachen University (Prof. Marek Behr)
    Fall 2009 – Spring 2012

Awards & Honors

  • Shinyang Engineering Academic Award (2020)
  • L.E. Scriven Young Investigator Award (2016)
  • ASAIO (American Society of Artificial Internal Organs) Fellowship Award (2010)
  • Scholarship, Kwanjeong Educational Foundation, Korea (2004–2008)
  • Graduated with honor (Summa Cum Laude), Seoul National University (2000)
  • Full scholarship, Seoul National University (Spring 1997 – Fall 1999)

Professional Activities

  • International Society of Coating Science and Technology (ISCST)
  • Asian Coating Workshop (ACW) — Board member, Advisory committee
  • American Society of Artificial Internal Organs (ASAIO)
  • Korean Institute of Chemical Engineering (KIChE)
  • Korean Society of Rheology (KSR) — Transport phenomena & polymer subdivisions, Council member