Hae-Jeong Lee is the lab officer for the Materials Science and Engineering Division at the National Institute of Standards and Technology (NIST). She enjoys assisting the division to operate effectively, efficiently and safely. She has worked for NIST and the semiconductor industry as a research chemist and a process engineer since 1994 after graduating from the Korea Advanced Institute of Science and Technology (KAIST) with a Ph.D. in Chemistry. She has received her undergraduate degree in chemistry from Ewha Womans University. She also actively works on developing STEM education for young students from underprivileged backgrounds through a science education initiative.