Dr. Ji Chul Yang is Fellow/Vice President at SK hynix Semiconductor in South Korea. Since he joined SK hynix in 2017, he is now responsible for Cleaning&CMP innovation team in Manufacturing Division. Prior to SK hynix, he was CMP team leader and CMP Representative of Future Technology Roadmap Team at GLOBALFOUNDRIES U.S. He was also engaged in developing 14nm & 7 nm logic CMP process as technical leader. Prior to his time with Globalfoundries, Dr. Yang was CMP Project Leader in Line 16, SAMSUNG Memory Division in South Korea. He has experiences throughout Memory (NAND and DRAM) and Logic Foundries Device over 20 years in semiconductor CMP field. He was invited talker for ICPT2018, ICPT2014, ICPT2010, 60th KCMPUGM, ECS2016, SEMICONWEST-CMP2016 and STS2017. Dr. Yang has a Ph.D degree in Electronics Engineering from SUNGKYUNKWAN University, South Korea, Master’s degree in Mechanical Engineering from YONSEI University. He has authored more than 40 technical publications and conference presentations with semiconductor items.