Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, 8010 …

Associate Professor, Tsinghua University

Principal scientist, KERI / Professor, UST

Christian Doppler Laboratory for Direct-Write Fabrication of Nanoprobes, FELMI-ZFE

Stanford University, University of California Riverside

Korea Electrotechnology Research Institute

DuPont, Purdue University, University of Akron, ECUST

Leibniz Institute of Photonic Technology

Karlsruhe Institute of Technology

Postdoctoral Scholar, University of Central Florida