• Participate in CTIA CPWG meetings and propose/discuss contributions in several sub-working groups such as OTA Main, CATF, 5GmmW, NFP, MOSG, etc.• Participate in PTCRB PVG meetings focusing on the best way to validate chamber solutions to the newly published test plan CTIA 5G Millimeter-Wave OTA Version 1.0.1• Participate in Bureau Veritas Taiwan – Anritsu 5G validation collaboration for 5G RF test platform TP250 (Anritsu ME7873NR) in terms of FR2 NSA RF test cases defined in 3GPP TS 38.521-3, GCF WI-500, and PTCRB RFT501-3• Execute the verification of TP250 test logs and CR submission to DCC DB and PTCRB TC DB by deadlines set for CAG and PVG meetings • Participate in ETSI MSG/TFES ad-hoc OTA UE TRP/TIS Antenna Performance Group focusing on LTE UE OTA Antenna Parameters Test Campaign for the definition of the LTE handset performance requirements in EN 301 908-13• Develop and conduct training sessions for the up-to-date CTIA and Carrier’s OTA test requirements monthly regarding the leading-edge technologies- 5G NR development concerning the RF test methods: beam peak search, EIRP, EIS, and spherical coverage• Manage the team to successfully acquire CATL authorization, MNO/Carrier validation, and ISO 17025 accreditation• Advise clients with knowledge on a broad range of technical questions and satisfy their needs• Oversee projects subcontracted overseas and improve the efficiency by effective communication

• Developed and conducted classroom and web-based training materials with up-to-date CTIA and Verizon OTA test requirements for all members in different focus• Led a team of 12 and provided individual training sessions to reduce chances of unreasonable test results successfully• Achieved the goal of having 4 OTA chambers authorized as CTIA ATLs within one month• Built and created test capabilities such as LTE CA, A-GNSS, and Wi-Fi OTA testing• Acquired test system validation to meet Verizon A-GPS LTE SIB8/16 requirements• Introduced standard operating procedures for various test platforms, maintained and updated the documents regularly following ISO 17025• Regularly updated lab OTA scopes with latest test plans released by Standards organizations and cellular operators

• Built 3 ETS-Lindgren OTA chambers (2 AMS-8923 in Korea, 1 AMS-8500 in Taiwan)• Responsible for studying and sharing up-to-date test requirements with internal teams across different countries: Taiwan, Korea, and 7layers USA

• Built 3 ETS-Lindgren OTA chambers (1 AMS-8923 & 1 AMS-8500 in Korea, 1 AMS-8923 in Taiwan)• Led a team of 15, responsible for planning and conducting training sessions and setting working guidelines• Achieved the goal to have 3 OTA chambers (2 in Taiwan, 1 in China) authorized by CTIA in an onsite audit for CWG-RF test plan• Five and half years of working experience in Gunpo Korea while having close collaborations with the Samsung R&D team