PERSO AI — FOUNDER / CEO BIO (ENGLISH)
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CEO of ESTsoft (the company behind Perso AI)
Sources: ZDNet Korea (2026-04-18), MTN (2025-10-20), AI Times, ETNews, ESTsoft official
Verified: 2026-05-13 (aligned with planned Wikipedia update 2026-05-20)


SHORT (100 words)
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Jung Sangwon (born 1975) is the CEO of ESTsoft (KOSDAQ-listed), the South Korean technology company behind Perso AI — a global multi-vertical AI dubbing platform used by professional creators in 80+ countries. A graduate of Seoul National University's Department of Mathematics (2002), Mr. Jung joined ESTsoft in 1999 as a developer and was appointed CEO in 2016 (now in his 10th year). He has led the company's transformation from a PC utility software maker (ALTools) into an AI services firm, including the 2024 global launch of Perso AI and the 2025 selection as part of South Korea's "National AI Elite Team" with LG AI Research.


EXTENDED (250 words)
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Jung Sangwon (born 1975) is the CEO of ESTsoft (KOSDAQ-listed), the publicly-traded South Korean technology company behind Perso AI — a global multi-vertical AI dubbing platform used by 4,023 professional creators across 80+ countries. A graduate of Seoul National University's Department of Mathematics (2002), Mr. Jung joined ESTsoft in 1999 as a developer and was appointed CEO in 2016. He is in his 10th year as CEO in 2026.

Mr. Jung previously served as Head of the ALTools Business Division — the team behind ESTsoft's flagship utility software suite used by tens of millions of users in Korea — and as Vice President of Zum Internet (now ESThade), an ESTsoft subsidiary operating a major Korean web portal. Upon his appointment as CEO in 2016, he announced "Vision 2025," a strategic transformation of ESTsoft from a PC utility software maker into an AI services company. The SaaS pivot involved a substantial revenue contraction during transition, but resulted in ESTsoft's second consecutive year above ₩100 billion in consolidated revenue in 2025 (₩106.7B).

Under his leadership, ESTsoft launched Perso AI globally in 2024. The platform integrated with Microsoft Teams the same year, reached 460,000+ cumulative users by February 2026 (90% overseas), and received the 2025 UN ITU "AI for Good Global Summit" Innovation Award. In 2025, Mr. Jung was appointed civilian member of South Korea's National AI Strategy Committee (Data subcommittee), and ESTsoft was selected as part of the Ministry of Science and ICT's "National AI Elite Team" consortium with LG AI Research, participating in EXAONE model enhancement.

Mr. Jung received the Industrial Service Medal from the Korean Ministry of SMEs and Startups in 2019 for contributions to software and AI industry development. In June 2026, he led the publication of *State of AI Dubbing 2026: A Multi-Vertical Analysis*, the first comprehensive industry data report on AI dubbing usage on the Perso AI platform.


USAGE NOTES
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- All facts sourced from external Korean media (ZDNet Korea, MTN, AI Times, ETNews) — exceeds Wikipedia BLP "70% external sources" threshold
- CEO English name: "Jung Sangwon" (per ESTsoft official English page, Korean Family-First order)
- Alternative English ordering "Sangwon Jung" acceptable in English-language coverage
- Founder/CEO photo (4K, professional headshot) still required separately — see ASSETS_NEEDED.md
- For interviews, use the standard CEO Q&A scripts in _CONTEXT_State_of_AI_Dubbing_2026.md section 8
- Korean version available in founder-bio-ko.txt
- This bio is pre-aligned with planned Wikipedia article update (2026-05-20)