Academic Exployment

- Oct. 2015
Project Associate; Mobile/Web Backend Software Engineer at the Center for Geospatial Information Technology (CGIT) at Virginia Tech
Fall'13
3D Geovisualization Specialist in Advanced Research Computing (ARC) at Virginia Tech
Summer'13
Temporary Faculty in Computer Science at Virginia Tech
Fall'12-Spring'13
GRA at Center for Geospatial Information Technology (CGIT)
Spring'12
GTA for Computer Graphics (CS4204)
Fall'10-Spring'11
GRA at VT Graduate School
Fall'06-Spring'10
GTA for CCTAD (Collaborative of Creative Technologies in the Arts and Design) and DISIS (Digital Interactive Sound & Intermedia Studio)
Summer'09,'10
Mentor for REU (Research Education for Undergraduates)
Fall'04
DLI (Distant Learning Instructor) for Object-Oriented Programming with Java

Industrial Exployment

2011
Research intern at Siemens Corporate Research (SCR) in Princeton, NJ.
2002
Consultant at SecuGen Corp (CA, USA)
2000 - 2002
Interim research team leader at Actoz Soft Co. Ltd. (Seoul, South Korea)
1996 - 2000
Software developer at Samsung (Electronics, SNS (now SDS)) (Seoul, South Korea)

Professional Activities