Ji Hwan Choi
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Ji Hwan Choi Email & Phone Number

Founder at Z-tech co
Location: Tokyo, Japan 8 work roles 1 school
2 work emails found @microsoft.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

Contact Signals · 2 work emails

Work email j****@microsoft.com
LinkedIn Profile matched
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Current company
Z-tech co
Role
Founder
Location
Tokyo, Japan

Who is Ji Hwan Choi? Overview

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Quick answer

Ji Hwan Choi is listed as Founder at Z-tech co, based in Tokyo, Japan. AeroLeads shows a work email signal at microsoft.com and a matched LinkedIn profile for Ji Hwan Choi.

Ji Hwan Choi previously worked as Asia Regional Director at Microsoft and Korea Group Manager at Microsoft. Ji Hwan Choi holds Bachelor Of Arts - Ba from Yonsei University.

Company email context

Email format at Z-tech co

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jchoi@microsoft.com
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AeroLeads found 2 current-domain work email signals for Ji Hwan Choi. Compare company email patterns before reaching out.

Profile bio

About Ji Hwan Choi

Ji Hwan Choi is a Founder at Z-tech co.

Current workplace

Ji Hwan Choi's current company

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Z-tech co
Z-Tech Co
Founder
8 roles · 11 years

Ji Hwan Choi work experience

A career timeline built from the work history available for this profile.

Founder

Current
Z-Tech Co

Tokyo, Japan

- Founded the company for SW dev and consulting in Tokyo, Japan- Established Software Coding School in Sinjuku area. Dekiru IT School in 2017(for corporate’s staffs and for international students- Consulting Agency for Japanese and Korean local Software to expand to Asia regional and global markets. Driving Start-up for Ai Fintech & Telco since 2019, co-founded with a partner in Korea.

2016 - Present ~10 yrs 7 mos

Asia Regional Director

Microsoft

Tokyo, Japan

Leading WindowsInternational Team in Asia based in Korea, Singapore and Japan

Jul 2005 - 2016

Korea Group Manager

Microsoft

Managed R&D team in Korea for MSN and Windows Live

Nov 2000 - Jun 2005

Mibn(Microsoft Int'L Business Mgmt) Manager In Korea

Microsoft

Managed partners of R&D teams in Korea

Dec 1998 - Nov 2000

Korea R&D Manager For Informix

Ibm

Managed Korea release of Informix Database

Aug 1996 - Dec 1998

R&D Manager

Han Com Systems

Managed network/database programming team in Los Angeles

Sep 1992 - Aug 1996

Lead Program Manager

Han Computer

Managed to release Korean word processor in Korea and Toronto

Apr 1991 - Sep 1992

System & Software Engineer

Fujitsu

Built network database and developed online/batch database programs. Generated/Installed mainframe operating systems

Dec 1988 - Apr 1991
1 education record

Ji Hwan Choi education

FAQ

Frequently asked questions about Ji Hwan Choi

Quick answers generated from the profile data available on this page.

What company does Ji Hwan Choi work for?

Ji Hwan Choi works for Z-tech co.

What is Ji Hwan Choi's role at Z-tech co?

Ji Hwan Choi is listed as Founder at Z-tech co.

What is Ji Hwan Choi's email address?

AeroLeads has found 2 work email signals at @microsoft.com for Ji Hwan Choi at Z-tech co.

Where is Ji Hwan Choi based?

Ji Hwan Choi is based in Tokyo, Japan while working with Z-tech co.

What companies has Ji Hwan Choi worked for?

Ji Hwan Choi has worked for Z-Tech Co, Microsoft, Ibm, Han Com Systems, and Han Computer.

How can I contact Ji Hwan Choi?

You can use AeroLeads to view verified contact signals for Ji Hwan Choi at Z-tech co, including work email, phone, and LinkedIn data when available.

What schools did Ji Hwan Choi attend?

Ji Hwan Choi holds Bachelor Of Arts - Ba from Yonsei University.

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