Mastern Investment Management

Private Investment Firm Seoul, South Korea ·Founded 2009

Overview

Mastern Investment Management is a South Korean private investment firm specializing in real estate investments and development projects. The firm manages assets across various sectors, including office, residential, and logistics facilities, with a focus on both domestic and international markets. As of 2024, Mastern reported assets under management totaling USD 25.3 billion, encompassing 223 assets worldwide, with 181 domestic and 42 overseas properties. The company employs over 200 professionals dedicated to delivering innovative investment opportunities and sustainable growth. The firm's investment strategy emphasizes value-added and opportunistic approaches, targeting growth, late-stage, pre-IPO, buyout, turnaround, and distressed opportunities. Mastern's geographical focus spans South Korea, France, Germany, the United States, and Singapore, reflecting its commitment to global diversification. The company has been actively involved in notable projects such as the development of office facilities on Dosan-daero in Seoul's Gangnam district and the acquisition of properties like the Concordian Building in Seoul and the Amazon Distribution Center in Berlin. Mastern Investment Management is committed to environmental, social, and governance (ESG) principles, participating in initiatives like the Energy Day event to address climate change and promote sustainable practices. The company has also been recognized for its excellence in brand communication and ESG reporting, winning awards such as the Gold Award at the 2024 LACP Vision Awards. Under the leadership of CEO Park Hyungseok, appointed in November 2025, Mastern has undertaken organizational restructuring to enhance its investment and asset management functions, aiming to restore investor trust and establish a foundation for long-term growth.

Investment Focus

  • Focus on real estate assets
  • Interest in growth, late-stage, pre-IPO, buyout, turnaround, and distressed opportunities
  • Geographical focus on South Korea, France, Germany, United States, and Singapore

Portfolio Companies

Doosan TowerConcordian BuildingMusinsa CampusCrystal Park OfficeAmazon Distribution Center

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Frequently asked questions about Mastern Investment Management

What sectors does Mastern Investment Management invest in?

Mastern Investment Management invests in Financial Services and Real Estate, and is based in Seoul, South Korea. Mastern Investment Management is listed as a private investment firm in the ConnectSafely investor database.

What stage does Mastern Investment Management invest at?

Mastern Investment Management backs companies at Growth, Late Stage, Pre-IPO, Buyout, Turnaround and Distressed, writing cheques of 10M - 500M.

Which regions does Mastern Investment Management invest in?

Mastern Investment Management invests across United States, Germany, Singapore, France and South Korea.

Who are the partners at Mastern Investment Management?

Team members listed for Mastern Investment Management include Jack Sangdo Lee (Chief Executive Officer) and Jude Yang (Managing Director).

What companies has Mastern Investment Management invested in?

Mastern Investment Management's portfolio includes Doosan Tower, Concordian Building, Musinsa Campus, Crystal Park Office and Amazon Distribution Center.

How do I contact Mastern Investment Management?

Mastern Investment Management's contact details — including LinkedIn — are listed in the ConnectSafely investor database, along with its website and the LinkedIn profiles of its partners.

Last updated · Source: ConnectSafely investor database