Jonghun Kim is a seasoned professional in the field of electrical and electronics engineering, currently serving as the NAND TD PI Principal Lead at SK hynix since January 2022. With a solid background in NAND technology, Jonghun previously held the position of RG NAND TD Principal PI Engineer at Micron Technology and served as a Senior Engineer in V-NAND Flash Process Architecture at Samsung Electronics, focusing on V4, V5, and V6 developments. Earlier roles include Nano device researcher at the National Nanofab Center and researcher in Si-photonics at ETRI. Jonghun holds a Doctor of Philosophy, a Master's degree, and a Bachelor's degree in Electrical and Electronics Engineering from the Korea Advanced Institute of Science and Technology, completed between 2005 and 2016.