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Heejae Jung
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Heejae Jung

Senior Associate

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At a glance

Full Name
Heejae Jung (정희재)
Title
Director (previously Senior Associate / investment professional at SoftBank Ventures Asia)
Firm
Atinum Investment (formerly SoftBank Ventures Asia / SBVA)
Firm Type
Venture Capital (institutional; the stub's "Angel Investor" label appears inaccurate)
Investment Stage
Early-stage through growth; Atinum's typical sweet spot ~$1.5M
Check Size
~$100K–$5.0M (firm-level range; sweet spot ~$1.5M)
Target Company Profile
Startups building mobile services and platforms, plus broader tech and consumer companies
Sector Focus
Mobile services/platforms (his personal focus); firm-wide: AI, SaaS/software, consumer platforms, deep tech, gaming, digital content, bio/healthcare
Geographic Focus
South Korea (primary), with global scope
Location
Seoul, South Korea

Background

Heejae Jung is a Director at Atinum Investment, a Seoul-based venture capital firm he joined in 2024, where he invests in mobile services and platforms. He holds a B.A. in Business Administration from Seoul National University (studies spanning roughly 2007–2014).

Before Atinum, Jung spent several years as an investment professional at SoftBank Ventures Asia (SBVA, later rebranded SBVA and the source of his softbank.co.kr email), the venture arm historically tied to SoftBank Group and one of Korea's most prominent early-stage investors. Sources variously describe his SBVA title as Senior Associate and, later, Vice President, reflecting his progression on the investment team.

Earlier in his career, Jung worked outside of finance in operating and business-development roles. He conducted global business development at SUALAB, a Korean machine-vision/deep-learning startup (acquired by Cognex in 2019), and at Hyundai Motor Company. That operator background informs his focus on scalable mobile and platform businesses.

Investment Thesis & Focus

  • Concentrates personally on mobile services and platforms — consumer-facing apps and platform businesses with scale potential.
  • Operates within Atinum's broad, multi-stage mandate: AI, SaaS, deep tech (semiconductors, robotics, mobility), consumer platforms, gaming/content, and bio/healthcare.
  • Backs companies from early-stage through growth, supporting them toward IPOs and strategic exits, with checks typically clustering around ~$1.5M (firm range roughly $100K–$5M).
  • Brings an operator's lens from SUALAB and Hyundai — likely values teams with real product/BD execution, not just decks.

Notable Investments

  • Liner — AI-powered search/knowledge and highlighting product.
  • Scatter Lab — Korean conversational-AI company (maker of the "Luda"/Zeta chatbots); raised an ~$11.3M Series B in April 2023 led by SK Telecom, with Atinum among investors.
  • SORAJIMA — Japanese webtoon/digital-content studio.
  • Movin — startup in Atinum's portfolio.
  • Bite Lab — startup in Atinum's portfolio.

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