Key Takeaways
- • Mastern Investment Management appointed former Koramco Asset Management CEO Park Hyeong-seok as new chief executive, effective December 15, 2025, following approval by extraordinary shareholders meeting and board of directors.
- • Park brings 12+ years of real estate investment expertise, including eight years as Koramco CEO (2017–2025), during which he expanded overseas investment portfolios and strengthened institutional investor relationships.
- • The appointment aims to reinforce Mastern's management system and refine mid- to long-term growth strategy, with Park emphasizing organizational culture built on collaboration, trust, and sustainable growth frameworks.
- • Park's background spans Samsung C&T, CBRE Korea's asset management division, and Orion Partners Korea's real estate investment division; he holds degrees in architectural engineering from Korea University and a master's in real estate from Cornell University.
- • At Koramco, Park established a CEO-direct "Capital Markets Office" to strengthen strategic communication channels with global investors, signaling a commitment to institutional capital development.
Summary
Mastern Investment Management, a South Korea-based alternative investment specialist and asset manager founded in 2009, has recruited Park Hyeong-seok as its new CEO following a formal appointment process completed in late November 2025. The executive nomination committee selected Park, who previously led Koramco Asset Management as CEO for approximately eight years, to take the helm of the firm's management operations. The appointment received approval through an extraordinary shareholders meeting and board of directors review, with Park's official start date set for December 15, 2025.
Park brings substantial real estate investment credentials to the role. His educational background includes a bachelor's and master's degree in architectural engineering from Korea University, supplemented by a master's degree in real estate from Cornell University. His professional trajectory encompasses positions at Samsung C&T, CBRE Korea's asset management division, and Orion Partners Korea, where he headed the real estate investment division before joining Koramco Asset Management in 2013.
During his tenure as Koramco CEO from 2017 through 2025, Park demonstrated a strategic focus on expanding overseas investment portfolios and broadening the firm's institutional investor base. A notable achievement was his establishment of the CEO-direct "Capital Markets Office," which created a dedicated strategic communication channel with global investors—a structural innovation indicating priority alignment with institutional capital development and market positioning.
Mastern Investment Management indicated that this external recruitment supports its objective to reinforce its management system and refine mid- to long-term growth strategy. According to available organizational messaging, Park's leadership vision centers on establishing an organizational culture characterized by collaboration and trust while building sustainable growth frameworks. The firm specializes in private real estate funds and hedge fund management, positioning it within the alternative asset management sector serving institutional clients.
The appointment reflects a strategic repositioning within South Korea's alternative investment management landscape, with Park's track record in capital markets engagement and portfolio diversification likely to influence Mastern's institutional investor strategy and product development initiatives.
Park brings substantial real estate investment credentials to the role. His educational background includes a bachelor's and master's degree in architectural engineering from Korea University, supplemented by a master's degree in real estate from Cornell University. His professional trajectory encompasses positions at Samsung C&T, CBRE Korea's asset management division, and Orion Partners Korea, where he headed the real estate investment division before joining Koramco Asset Management in 2013.
During his tenure as Koramco CEO from 2017 through 2025, Park demonstrated a strategic focus on expanding overseas investment portfolios and broadening the firm's institutional investor base. A notable achievement was his establishment of the CEO-direct "Capital Markets Office," which created a dedicated strategic communication channel with global investors—a structural innovation indicating priority alignment with institutional capital development and market positioning.
Mastern Investment Management indicated that this external recruitment supports its objective to reinforce its management system and refine mid- to long-term growth strategy. According to available organizational messaging, Park's leadership vision centers on establishing an organizational culture characterized by collaboration and trust while building sustainable growth frameworks. The firm specializes in private real estate funds and hedge fund management, positioning it within the alternative asset management sector serving institutional clients.
The appointment reflects a strategic repositioning within South Korea's alternative investment management landscape, with Park's track record in capital markets engagement and portfolio diversification likely to influence Mastern's institutional investor strategy and product development initiatives.
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