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[Disclosure] JUSUNG ENGINEERING (036930) Recruits Veterans from ASML and Samsung; Transitions to 3-Member Co-CEO Structure

Posted on April 28, 2025July 7, 2026 By K-STOCK Editor No Comments on [Disclosure] JUSUNG ENGINEERING (036930) Recruits Veterans from ASML and Samsung; Transitions to 3-Member Co-CEO Structure

Source: Financial Supervisory Service Dart System / 2025-04-28

Disclosure Type: Change in CEO

💡 3-Second Summary

JUSUNG ENGINEERING has transitioned from a sole-CEO system under founder Hwang Chul-ju to a three-member independent co-CEO structure, newly appointing Vice Chairman Lee Woo-kyung and President Hwang Eun-seok. By placing a former CEO of ASML Korea and a former Senior Researcher from Samsung Electronics (the founder’s son) at the forefront, the company has reinforced both its global execution and its long-term succession blueprint.

📊 1. [Summary of Core Disclosure Content & Major Figures]

  • Pre-change CEO: Hwang Chul-ju (Sole CEO system)
  • Post-change CEOs: Hwang Chul-ju, Lee Woo-kyung, Hwang Eun-seok (3-member independent co-CEO system)
  • Reason for Change: Appointment of new CEOs to maximize operational efficiency and sector expertise
  • Effective Date: April 28, 2025 (Board resolution date)
  • Profiles and Divisions of Executive Responsibilities:
    • Chairman Hwang Chul-ju: 25.23% stake (11,926,211 shares) / Board Chairman & Head of R&D Technology
    • Vice Chairman Lee Woo-kyung: 0.00% stake (1,300 shares) / Head of Global Sales & Operations (Former CEO of ASML Korea)
    • President Hwang Eun-seok: 2.22% stake (1,049,010 shares) / Head of Corporate Management & Strategic Planning (Founder’s son, Former Senior Researcher at Samsung Electronics)

📈 2. [Expert Insight: Assessment of Impact on Stock Price]

  • Short-term Impact (Positive Catalyst via World-class Talent Acquisition): Shifting away from a single-founder governance model to recruit top-tier global semiconductor executives acts as a powerful sentiment booster for institutional investors. Specifically, bringing the former head of ASML’s local division on board immediately stimulates market expectations regarding global account expansions and tech validations.
  • Mid-to-Long-term Fundamentals: This corporate shuffle targets a fundamental upgrade of JUSUNG’s operational moat. While Chairman Hwang stays laser-focused on core Atomic Layer Deposition (ALD) R&D, Vice Chairman Lee handles global business development, and President Hwang anchors corporate strategy. This elite triumvirate setup introduces institutional professional management, substantially mitigating single-man key-man risks.
  • Financial Viewpoint: With the core family equity stake tightly anchored, the official inclusion of the second-generation successor, President Hwang, signals that the leadership transition is progressing smoothly and transparently. The synthesis of professional corporate governance and owner-driven alignment is expected to significantly refine long-term risk-management frameworks.

📝 Editor’s Comment (by K-STOCK Editor)

JUSUNG ENGINEERING’s multi-CEO transition represents an exceptionally well-calibrated governance overhaul within the domestic semiconductor ecosystem. To overcome the structural blind spots of legacy founder-centric management, appointing a heavy-hitting industry veteran from ASML to spearhead global operations is an optimal strategy for a firm pursuing wider market penetration. Concurrently, onboarding a tech-vetted second-generation family executive cements internal alignment and continuity. Market participants will likely shift their focus from looking at the headline change toward verifying how effectively this professional management structure synergizes with the founder’s technical legacy—and whether Vice Chairman Lee’s network translates into concrete, cross-border book-to-bill metrics over upcoming fiscal cycles.

📢 Disclaimers and Source Information

Source: This content has been newly structured and written based on official data submitted to the Financial Supervisory Service’s Electronic Disclosure System (DART). Investment Risk Warning: This content is provided solely for informational and linguistic reference purposes. Under no circumstances does it constitute financial advice or a recommendation to buy/sell specific stocks. All investment decisions and financial responsibilities rest entirely with the investor. Inquiries: For compliance-related inquiries or copyright requests, please contact ksb220805@gmail.com.

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