1970?1975: 머큐리 리드스위치 제조공장 설치 후 사장취임 ? 제품전량 미국으로 수출
1976: 미드텍스회사의 기술 초청으로 미국으로 이민
1976?1979: 미네소타(Mankato Minnesota)에 머큐리 리드 스위치 제조공장을 설치 후 미드텍스 회사의 수석 생산담당 이사 및 프로젝트 엔지니어
1979?1983: 미드텍스 회사의 SMPS(스위치모드 전원) 설계 엔지니어 및 생산담당 이사
1983?2002: 캘리포니아 World Products Inc. 엔지니어링 매니저
1983?2003: Member of IEEE SPD (Surge Protect Device) Committee Working Group:
1) Low Voltage Solid State Protectors,
2) Low Voltage AC Power Circuits and Surge Protectors Used In Low Voltage Data, Communications and Signaling Circuits.
3) Metal?Oxide Surge Arresters for AC Power Circuits.
4) Standard Test Specification for Thyristor Diode Surge Protective Devices.
5) Guide for the Application of Component Surge?Protective Devices for Use in Low?Voltage (Equal to or Less than 1000VAC or 1200VDC) Circuits.
6) Standard for Metal?Oxide Surge Arresters for Alternating Current Power Circuits.
1986?2003: Industry Representatives On The Component Advisory Panel Of UL 1414: Across?The?Line, Antenna Coupling and Line?Bypass Capacitors.
1988?2003: Industry Representatives On The Industry Advisory Conference Of UL 1449:
Transient Voltage Surge Suppressors.
1992?2003: Motorola, UL ?등 대표적인 전자통신기기 관련회사에서 Surge Protection Symposium 및 Seminar 초청연사로 활동
2000?2003: Liaison Representative from IEEE to IEC SC37B Working Groups 1 & 2.
2008?현재: IEEE 종신회원 (Life Member)
표창:
2001: Has been awarded by the Standards Association of IEEE:
The Standards Medallion For Contributions In The Development Of Surge Protective Device Component Standards. May 17th 2001.
특허소지: 미 특허File No. M&G?7566.2?US?01: For Surge Protection Device
