Junho Choi Email & Phone Number

Covington, GA, US

United States

• LED NPI BUILDS FROM THE EARLY STAGES OF DEVELOPMENT. POSSESS EXTENSIVE KNOWLEDGE AND EXPERIENCE IN TECHNICAL ACCOUNT MANAGEMENT AND TECHNICAL PROGRAM MANAGEMENT FOR GLOBAL LEADING MOBILE COMPANY IN U.S.
• Led the development of new concept of programs to bring-up new technologies for mmWave antenna substrates / RF module solutions
• Acted as the local Engineering program manager from the early development phase
• Analyzed market intelligence and technical trends in the semiconductor industry and its value chain
• Conducted technical promotions for SiP, FC-CSP, and FC-BGA to introduce advanced technologies to major tech companies in bay area

Seoul, South Korea

• LED ENGINEERINGS FOR MMWAVE ANTENNA SUBSTRATE & MODULE DEVELOPMENT
• Led coordinated efforts and co-development with cross-functional teams and client engineering teams from the early stages of development, supporting new design rules, stack-up, process optimization, RF simulation, and.
• Resolved multiple technical issues quickly and accurately through clear communication with EE, DFM, and RF engineers of client
• World Firstly introduced High Dk Materials to enhance Antenna performance keeping the same size of mmWave antenna patch by optimizing process conditions
• Generated additional sales revenue of over $250M until 2022 by providing successful ramp-up support, ensuring stable yield and quality since 2020

Seoul, South Korea

• TECHNICAL ACCOUNT MANAGER FOR TOUCH WINDOW, RIGID FLEX PCB
• Technical communications and coordination led to the development of a new touch window. Successfully managed the program and secured ongoing program engagement, resulting in a 50% increase in net sales
• Served as the main engineering program manager for developing POLED rigid flex PCB for mobile Phone, achieving over 80% yield during the 6-month NPI phase in 2017
• Facilitated a new capacity ramp-up for new concept of rigid flex PCB through strategic commercial negotiations, leading to a 35% increase in sales revenue in 2018

Osan, Gyeonggi, South Korea

• Optimized process parameters for PSR (Photo-Imageable Solder Resist) and surface treatment
• Troubleshot abnormal process and production issues technically and statistically using short loop and full loop Design of Experiments (DoE)
• Conducted design reviews for Design for Manufacturing (DFM)
• Oversaw the installation of new process lines and equipment for PSR processes
• Served as the main counterpart for client’s quality audits and effectively resolved major action items
• Conducted quality audits for material and process vendors as an appointed auditor