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ChangWhan (Andrew) Lee is a Sr. Principal Engineer in System Design at Broadcom, where they have developed firmware for Samsung and LG Blu-ray players and managed optical disc drive (ODD) system design since 2008. They previously held positions as a Senior Firmware Engineer and Team Leader at Raymedia and as a Senior Field Application Engineer at ESS Technology, accumulating extensive experience in embedded system design and Optical Disc Drive technology over approximately 12 years. ChangWhan earned both a Bachelor's and Master's degree in Electronics from Kyungpook National University. Their strong interpersonal skills have facilitated robust relationships with major Korean clients throughout their career.