Chongcook Kim

Chief Executive Officer and Founder

Prior to founding LESSENGERS, he led the R&D team for the optical devices and in-vehicle optical communications, where he realized that the optical interconnect technology needed disruptive innovation and paradigm shift. He holds a PhD from POSTECH.

Dong Sung Lim

Chief Technology Officer

DS joined as Chief Technology Officer in 2021. Prior to joining the company, he led a variety of groups for 5G optical transceiver and optical passive devices as a growth-oriented executive at venture-backed companies. He holds a PhD from Heriot-Watt University.

Taeyong Kim

Chief Marketing Officer

Taeyong joined as Chief Marketing Officer in 2022 after serving his teams a successful engagement and ramp-up of high-speed data center optics at Optomind Inc., where he ran Marketing, Quality Management and IP Management. He holds a PhD from Ajou University and a Bachelor of Laws from KNOU.

Kwanghoon Oh

Director of Research & Development

Prior to joining in 2022, he led a variety of high-speed optical transceiver developments over the last 10 years. Most recently, he supported customers with 56 Gbps CDR technology at Renesas Corp. He holds a BS from Honam University.