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    Home /  Lawyers /  Joon Seok Hong

    Joon Seok Hong

    Special Counsel

    Hong Kong +852-2826-8688
    hongj@sullcrom.com
    Joon Seok Hong Headshot Photo

    Hong Kong

    +852-2826-8688

    |

    hongj@sullcrom.com

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    Joon Seok Hong is Special Counsel in Sullivan & Cromwell’s General Practice Group and is resident in the Firm’s Hong Kong office.

    Joon maintains a versatile practice across a wide range of capital market transactions and cross-border mergers and acquisitions. Joon has extensive experience in a broad spectrum of international securities offerings and transactions, including initial public offerings, follow-on equity offerings, debt offerings, direct listings, private placements and PIPEs. He also advises on complex, cross-border mergers and acquisitions, including de-SPACs, going-private transactions, carve-outs, joint ventures, private equity investments and financings. Joon also actively advises clients in a variety of industries on corporate governance, regulatory and strategic matters.

    Joon previously worked in the Firm’s Melbourne, New York and Palo Alto offices.

    Prior to joining the Firm, Joon obtained a Ph.D. in political science with a focus on national security.

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    • Experience
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    Experience

    Experience

    Capital Markets

    • Taiwan Semiconductor Manufacturing Company on multiple securities offerings totaling $15.5 billion, including TSMC Arizona Corporation’s inaugural SEC-registered debt offering of senior unsecured notes and TSMC Global Ltd’s Rule 144A and Regulation S senior notes offerings
    • Underwriters on Alibaba Group’s $5 billion SEC-registered senior notes offering, including a green bonds tranche
    • Underwriters on Hon Hai Precision Industry Co., Ltd.’s offering of $700 million unsecured overseas convertible bonds at negative rate on the Singapore Exchange
    • OBOOK Holdings Inc. (OwlTing Group) in its direct listing on Nasdaq, the first direct listing by an Asia-based fintech company in the United States
    • Japan Post Insurance Co., Ltd. on its ¥310.6 trillion (approximately $2.8 billion) global offering of common stock, including a Rule 144A and Regulation S international offering
    • Viva Energy Group Limited on its A$2.65 billion (approximately $2 billion) IPO and listing on the Australian Securities Exchange
    • Fortescue Metals Group on its $500 million Rule 144A and Regulation S offering of senior unsecured notes
    • Telstra Corporation on its Rule 144A and Regulation S offering of $1 billion of senior notes
    • BHP Billiton Limited on its $6.4 billion Rule 144A and Regulation S hybrid notes offering issued by BHP Billiton Finance
    • ANZ Banking Group Limited on its multiple offerings under its $25 billion senior medium-term notes program

    Mergers and Acquisitions

    • Hon Hai Precision Industry Co., Ltd. on its acquisition of 50% shares in ZF Chassis Modules GmbH from ZF Friedrichshafen AG (ZF Group) and establishing a partnership with ZF Group in the field of passenger vehicle chassis systems
    • AcBel Polytech Inc. on its acquisition of a 100% stake in ABB Ltd’s Power Conversion division for cash consideration of $505 million
    • Perfect Corp., a global leader in providing augmented reality and artificial intelligence SaaS solutions, on its de-SPAC transaction with Provident Acquisition Corp., a special purpose acquisition company, valuing the business at $1 billion and resulting in Perfect’s listing on the New York Stock Exchange
    • InterContinental Energy Holdings, a leading global developer of large renewable energy projects, on its sale of a significant minority stake to an affiliate of GIC
    • Shareholders of South Korean delivery app company, Woowa Brothers Corp., on their sale of Woowa to Delivery Hero SE for an enterprise value of $6 billion
    • Signify on its sale of Cooper Lighting Solutions to Eaton for $1.4 billion
    • CompareAsia Group (now known as the Hyphen Group) on its Series B-1 funding, including the investment from Experian, and related strategic considerations
    • Booking Holdings on its Series D funding of Yanolja Co. Ltd. of South Korea and the entering into a strategic partnership and commercial agreement with Yanolja
    • DP World on its investment and joint partner in port and marine terminals in Qingdao, China
    • Goldman Sachs on its investment in Trade & Development Bank of Mongolia Ltd.
    • China Investment Corporation on its investments as a limited partner in a variety of private equity funds
    • SK Global Chemical Co., Ltd. on its 50-50 joint venture with SABIC Industrial Investment Company
    • Telstra Corporation on its sale of all of its shares in Autohome Inc. to Ping An Insurance (Group) Company of China, Ltd.
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    News

    News

    • S&C Advises OwlTing in the First Nasdaq Direct Listing of an Asia-Based Fintech Company in the United States

      October 21, 2025
    • S&C Advises ENN Natural Gas on Its Proposed HK$90.5 Billion ($11.6 billion) Privatization of ENN Energy Holdings

      March 28, 2025
    • S&C Advises Foxconn in Formation of €1 Billion Auto Partnership with ZF Group

      July 31, 2023
    • S&C Advises AcBel Polytech in Deal to Acquire Power Conversion Division of ABB

      February 1, 2023
    • S&C Advises Perfect in Completing Its de-SPAC Business Combination with Provident Acquisition Corp. and Listing on the NYSE

      October 31, 2022
    • S&C Advises TSMC on $3.5 billion SEC-registered bond offering

      April 29, 2022
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    Credentials

    Credentials

    Education

    • UC Berkeley School of Law, LL.M., 2013
    • University of California College of the Law, San Francisco, J.D., 2012
    • UC Berkeley, Ph.D., 2012
    • UC Berkeley, M.A., 2008
    • Stanford University, M.A., 2007
    • Columbia University, M.I.A., 2005
    • Yale University, B.A., 2000

    Bar Admissions

    • New York

    Languages

    • Korean
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    Related Practices

    Related Practices

    • General Practice
    • Asia
    • Australia/New Zealand
    • Capital Markets
    • Consumer & Retail
    • Corporate Governance
    • Energy & Natural Resources
    • Energy Transition
    • Foreign Investments and Trade Regulations
    • Media & Telecommunications
    • Mergers & Acquisitions
    • Private Equity
    • Technology
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