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Sujung (Justin) Kim has a diverse work experience in the field of RF engineering. SUJUNG(Justin) started their career in 2003 as an RF Engineer at Mobileware, where they focused on optimizing RF front end blocks for GSM and WCDMA and conducted field testing to improve radiation performance in Germany and South Korea. From 2005 to 2008, they worked as a Senior RF Engineer at Flextronics International, where they continued to optimize RF front end blocks for various technologies like BT/WIFI, GSM, and WCDMA. SUJUNG(Justin) also provided solutions for EMI/EMC troubleshooting.

In 2008, Sujung joined Motorola Mobility (a Lenovo Company) as a Senior RF Engineer. In this role, they completed conducted transmitter/receiver line-up matching and optimized the RF front end block for BT/WIFI, GSM, and WCDMA. SUJUNG(Justin) also played a key role in functionality bring up on BT/WIFI, GSM, and WCDMA and provided solutions for EMI/EMC troubleshooting. SUJUNG(Justin) continued working at Motorola Mobility until 2013, contributing to various cross-functional roles across hardware, software, mechanical, factory, and service teams. Their responsibilities included delivering products on-time, providing superlative solutions for EMI/EMC troubleshooting, and supporting factory builds for driving down defects per hundred units (DPHU) and conducting build failure analysis.

After their tenure at Motorola Mobility, Sujung joined Optimal Design in 2018 as a Lead RF Engineer, and later in 2023, they moved to Deloitte for the same role. Additional details about their roles at Optimal Design and Deloitte are not provided.

Overall, Sujung (Justin) Kim has demonstrated expertise in RF engineering, with a focus on optimizing RF front end blocks, conducting field testing, providing solutions for EMI/EMC troubleshooting, and contributing to various cross-functional roles in product development and manufacturing.

Justin Kim completed their education by earning a Master's degree in Electric Wave Engineering from Korea Maritime University from 1999 to 2003. In addition to their academic achievements, they obtained a Yellow Belt certification in July 2007. No further information is available regarding the institution that provided this certification.