• Chairman of ESTsoft
    Kim Jang-joong

    Founded in College, Gained Fame with ZUM, ALZip, and ALYac—Now Focused on AI and Gaming

    Last Updated on Feb 21, 2025

Life Summary

Kim Jang-joong is the Chairman of ESTsoft. He also serves as the CEO of its subsidiary, ESTgames.

He is focusing his efforts on AI business development.

He was born in Seoul on January 15, 1972.

He graduated from Inheon High School and earned a degree in Applied Mathematics from Hanyang University ERICA Campus. He also completed the Strategic Venture Management program at Hanyang University Graduate School of Business.

In 1993, while still a university student, he founded ESTsoft with his friends.

He established ESTsoft as a specialized software development company by launching the file compression program "ALZip," the graphic viewer "ALSee," and the security program "ALYac."

He operates the internet portal "ZUM."

As a first-generation entrepreneur in South Korea’s IT industry, he is dedicated to transforming ESTsoft from a security and utility software company into an AI-focused enterprise.

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