1986-94

2005-09

2022-24

2010-

B.S./M.S. in Physics, Yonsei University

Ph.D. / Postdoctoral Researcher, Pennsylvania State University

Research Associate Professor, University of Arkansas

Visiting Professor, Harvard Medical School

Full Professor, Norfolk State University

2017-

2019-

2022-

Executed NASA Langley Research Center project

NIH Grant Reviewer – R21 BRAIN Initiative Program, ETTN-10 Small Business Program

Founded Liin Technologies (Virginia, USA)

Executed NASA Johnson Space Center project

Co-Chair, SPIE Conference on Nano-, Bio-, Info-Tech Sensors, and Wearable Systems