Seong-il Yoon
President at Piezoelectric Technology
Seoul Incheon Metropolitan Area South Korea
Summary
👤
Senior🎓
Top SchoolSeong-il Yoon is the founder and president of Piezoelectric Technology with over two decades of hands-on experience translating piezo motor research into commercial actuator modules used by major clients like Samsung and Intermec. He began his career developing the TULA tiny ultrasonic linear actuator at KIST and applied that technical foundation to create low-noise, high-resolution piezo motors for AF, OIS, ICR modules and industrial automation. Prior to entrepreneurship he spent nine years at Halla/Mando gaining cross-functional expertise in sales, cost analysis, production, and business development, which he continues to leverage in running product-focused R&D and customer partnerships. Based in the Seoul–Incheon area, he combines engineering depth with business acumen—an unusual blend that helped position his company among a handful of global piezo motor manufacturers. He also experiments with software development, including Flutter, indicating a willingness to bridge embedded hardware and modern app ecosystems.
8 years of coding experience
9 years of employment as a software developer
Business Administration financial management, Business Administration financial management at Hanyang graduate schoolBusiness Administration, Business Administration at Hanyang University
Github Skills (5)
ipados10
swift9
widgetkit9
ios8
python5
Programming languages (2)
Github contributions (5)
Team-BrewBuds/FE_REPO
Sep 2024 - Feb 2025
Flutter Project for Brewbuds
Contributions:27 PRs, 31 pushes, 15 branches in 5 months
jjpush/ios-project-manager
Jan 2023 - Feb 2023
프로젝트 관리 앱 저장소입니다.
Contributions:2 reviews, 31 PRs, 43 pushes in 1 month
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