Mayer Brown

$Doo-Soon \"Doos\" Choi$

Doo-Soon \"Doos\" Choi

Doos Choi is a partner of Mayer Brown and has a wealth of international experience in banking and finance gained across three continents having worked in London, Sydney and Hong Kong. He has deep experience across a wide range of products including leveraged and acquisition finance, investment grade and sub-investment grade bi-lateral and syndicated loans, capital call financings, real estate finance, loan-to-own financings, margin loans, distressed portfolio sales and work-outs. Doos’ experience spans numerous sectors including healthcare, financial services, real estate, oil & gas, retail, IT, consumer services, automotive, mining, gaming and insurance. Doos advises banks, financial institutions, debt funds, private equity houses and corporates on complex multi-jurisdictional, multi-tiered, full and limited recourse financings. He speaks English and Korean.

Matthew Chow is a partner in Mayer Brown’s global Energy practice, splitting his time between Hong Kong and Singapore. As a construction lawyer by training, he has advised project sponsors, contractors and lenders on some of the largest projects across Asia and the Middle East, ranging from power plants (both thermal and renewables) to LNG-to-power, LNG import facilities (both onshore and offshore), petrochemical facilities, mining and other major infrastructure. Matthew’s core practice focuses on front-end project delivery, where he leads the drafting and negotiation of both standard form (including FIDIC) and bespoke construction contracts, tender documents, and related agreements. He also advises on other critical project documents including PPAs, concession and O&M agreements, supply and offtake agreements, FSRU construction contracts (both newbuild and conversion), and consultancy agreements. With 18 years’ experience in the construction industry in both legal and commercial roles, he has a deep-rooted understanding of the challenges that typically arise during the development phase of construction projects. This experience enables him to foresee potential risks before they materialise and to work with clients to develop effective mitigation strategies, ensuring smoother project execution and minimising costly disruptions. Almost all of the projects which Matthew has worked on involve project financing. He has worked both alongside and opposite major DFIs, MLAs and ECAs such as ADB, IFC, AIIB, MIGA, CDB, KEXIM, and KDB and is highly attuned to each of their specific bankability requirements. This expertise allows him to bridge the gap between sponsor, contractor, and lender interests, helping clients navigate the complexities of multi-source financings and achieve successful financial close. Matthew’s track record includes advising on multiple first-in-market transactions across Asia and emerging markets, including the landmark 1,500MW Quang Ninh LNG-to-power project in Vietnam, which is set to be one of the first LNG-to-power projects in Vietnam to reach financial close; Honduras’ first LNG-to-power project; the first four LNG import projects in Bangladesh developed by Summit; the development of Hong Kong’s first FSRU/LNG import project; one of Senegal’s first land-based LNG import terminals; the Lotus wind power project, Vietnam’s first and largest financing of a wind power project to utilise long-term US$ limited recourse financing without export credit agency cover; Bangladesh’s first two solar power projects to be internationally project financed; the Shweli 3 hydropower project, Myanmar's largest hydropower project to date; the Deedoke run-of-river hydropower project, Myanmar’s first internationally developed hydro-IPP selling exclusively into the Myanmar market; the Myingyan 225MW gas-fired power project, Myanmar's first internationally competitively tendered power project and first (and to date only) multi-lender multi-sourced international project financing; the CPHGC 1320MW coal fired power project, Pakistan’s first power project to be developed under the China Pakistan Economic Corridor initiative; and Mongolia’s first three solar power projects with battery storage solutions.

Joanne Du

Jason Elder possesses more than 25 years’ experience advising leading financial institutions and issuers on complex and innovative corporate finance and capital markets transactions across global markets. He has deep experience managing cross‑border transactions and advising on sophisticated financing solutions for clients, and has represented clients on numerous “first-of-kind” transactions across numerous Asia jurisdictions. Jason represents issuers, underwriters and trustee and agency providers in a broad range of capital markets transactions, including global offerings of debt securities and equity securities, and he regularly advises on cross‑border restructurings and distressed liability management exercises. He counsels clients on the structuring and execution of transactions across products and jurisdictions, with a particular focus on complex, time‑sensitive matters.

Amita Haylock is a partner whose practice focuses on intellectual property, technology, media, telecommunications, and competition law across the Asia Pacific region. Amita advises on the full spectrum of intellectual property matters, including strategic portfolio management, licensing, commercialisation, enforcement, and prosecution. She counsels multinational clients and high growth companies on complex transactions involving the creation, exploitation, and protection of IP assets, with particular experience in structuring and negotiating technology licensing, collaboration, and distribution arrangements. In the TMT sector, Amita provides regulatory and commercial guidance on market entry, product launches, and ongoing compliance, and regularly advises on cross border technology transactions, fintech initiatives, platform governance, and emerging digital business models. Her contentious experience includes representing clients in regulatory investigations and judicial review proceedings arising from licensing, spectrum, and other sector specific decisions. Amita’s practice further encompasses data protection and privacy across the APAC region, where she assists clients in developing and implementing regional compliance frameworks, responding to data incidents, conducting privacy impact assessments, and navigating cross border data transfer requirements. She has experience advising on data governance in highly regulated industries, including financial services, telecommunications, and technology. Amita has extensive arbitration experience in disputes involving intellectual property, TMT and competition law. She has acted as counsel in arbitrations administered under the rules of HKIAC, SIAC, ICC, CIETAC and the LCIA. Her work includes applications for interim relief, jurisdictional and arbitrability challenges, complex expert evidence, and the recognition and enforcement of awards. Competition and Regulatory Amita advises on competition law issues arising from distribution and licensing strategies, dominance and market power assessments, and collaborations and joint ventures, as well as foreign investment considerations in multi jurisdictional transactions. She works closely with clients to align commercial objectives with regulatory expectations across diverse APAC regimes.

Nishrin Hussain

Nishrin Hussain advises corporate trustees on a wide range of debt capital markets, structured finance and securitization transactions across Asia and other key global markets. With more than 18 years of experience, she is well known to the corporate trust teams of all major service providers in Asia and has supported transactions in the APAC region including, Japan and Australia. Nishrin counsels trustees and security trustees throughout the full transaction lifecycle, from new issuances and compliance exercises to liability management, restructurings and post‑default matters. In addition, Nishrin is committed to pro bono and community engagement, with a focus on matters relating to refugees and asylum seekers and on expanding educational opportunities for women and ethnic minorities in Hong Kong. She mentors interns from the Amber Foundation and Asian University for Women and serves on the AUW Support Foundation’s internship sub‑committee. She is a committee member of the Firm’s “In The Know” forum. Prior to joining the firm, she worked in the Hong Kong office of another leading global law firm and in the in‑house legal and compliance department of a leading multinational in Singapore.

Philip Hyde

Gabriela Kennedy

Gabriela Kennedy is the co-leader of the IP practice at Mayer Brown, head of the Asia IP & TMT practice and co-leader of the cyber incident response team. Her broad practice spans all areas of intellectual property law, technology, data privacy and cybersecurity, AI and telecommunications law. She advises clients on complex technology transactions, data protection and cybersecurity, and disputes, with deep experience guiding multinational companies through cross‑border regulatory and operational issues. Gabriela represents corporates and investors in a broad range of mandates and has been involved in large pan-Asian digital transformation projects, mobile payments projects, the regulation of digital assets, as well as high‑profile media transactions and litigation. She has significant experience in data protection matters throughout Asia, advising on Asia wide strategies, cross‑border data transfers, data compliance programs, data breaches and cyber incident response. She has assisted companies with comprehensive data audits and has developed privacy management and governance frameworks for the Asia operations of multinational companies. In contentious and regulatory matters, Gabriela acts in disputes arising from failed technology projects and advises on telecommunications regulation and transactional issues across the region. She has extensive experience in signal piracy litigation and in disputes concerning “must‑carry” and retransmission rights under copyright legislation, and has advised collecting societies on licensing arrangements and royalty disputes. She is recognised as a leading lawyer across each of her fields of practice and serves on the editorial boards of multiple publications. A former theoretical linguist, she brings a rigorous, solutions‑oriented approach to complex and time‑sensitive matters.

Thomas Kollar is a corporate partner with over 15 years of experience advising issuers and underwriters on US debt and equity capital markets transactions throughout Asia, Europe and the United States. His practice principally focuses on cross-border capital markets transactions and covers high-yield bonds, medium-term note programs, liability management exercises, hybrid securities, IPOs, equity block trades, equity placements and rights issues. He has considerable experience advising on US securities law and US listing requirements. He also has experience advising multinational corporations and financial institutions on mergers and acquisitions, private equity and a variety of corporate finance transactions.

Allison Lee is a corporate partner in the Hong Kong office with extensive experience advising clients on cross‑border transactions across the Asia‑Pacific region. Her practice principally focuses on mergers and acquisitions, private equity and capital raising, as well as joint ventures, strategic partnerships and other collaborations. Allison advises clients through all stages of the corporate life cycle, including initial formation, early-stage financing, growth and exit. She regularly represents multinational corporations, private equity sponsors, venture and emerging companies and other investors across various industries, including insurance, insurtech, energy, and healthcare. Prior to joining the firm, Allison served as international counsel at another international law firm.

Guiping Lu has extensive experience in advising investment banks, issuers and investors on international debt and equity capital markets and other corporate finance transactions across Asia and beyond. His practice principally focuses on cross‑border capital markets matters. He also has considerable experience advising Chinese issuers on US securities law and SEC rules compliance. Guiping represents investment banks and issuers in a broad range of debt capital market transactions, including high‑yield and investment‑grade bond offerings, convertible and exchange bonds, medium‑term notes and liability management transactions. In addition, Guiping advises multinational corporations, private equity and venture capital firms on a variety of corporate finance transactions, including strategic investments by a private equity and a sovereign wealth fund in a leading technology and e‑commerce company in China; high yield debt repurchases by a US‑listed company; cross‑border acquisitions involving Hong Kong targets; and public company mergers, including the merger of Tudou (Nasdaq) and Youku (NYSE). He has also represented special committees, private equity sponsors and founders in going‑private transactions involving US‑listed, China‑based companies, including Ninetowns, ShangPharma Corporation and Shanda Games. Prior to joining the firm, he practiced in the capital markets groups of leading international law firms focusing on debt and equity securities offerings.

Richard Stock is a partner in Mayer Brown's Hong Kong office. He is Head of Finance for Asia and a co-leader of Mayer Brown's Banking & Finance practice. He focuses his practice on the aviation industry, with over thirty years’ experience assisting airlines, lessors and financial institutions to document aircraft and aviation-related transactions. Richard has extensive experience advising on aircraft finance and leasing matters for both commercial and business aircraft, as well as documenting the acquisition and disposal of aircraft. He has negotiated OEM documentation for the purchase of new aircraft with a total value exceeding USD 30 billion. Richard also advises airlines, lessors and investors on the acquisition and disposal of portfolios of used aircraft and aircraft engines. Richard has a particular interest in airline operational matters, having advised airlines on long-term engine maintenance agreements and inventory technical management agreements with scheduled revenues exceeding USD 9 billion. Additionally, investors enlist Richard’s insight on strategically important projects, including the establishment of new airlines, the re-purposing of existing airlines and the establishment of aircraft and/or engine leasing platforms. Chambers Asia Pacific (2025) noted that "Richard's extensive experience in the industry is a real source of comfort in worst-case scenarios. He knows very well when he can rely on his team and when he should step in." Richard is consistently ranked in Band 1 by Chambers and is in the Legal 500 Hall of Fame.

Vincent Sum is a partner of Mayer Brown. He focuses on complex capital markets matters, including structured products, securitisations, derivatives (including equity derivatives, credit derivatives, corporate derivatives, fund derivatives and commodity derivatives), retail and non-retail funds (including SFC approved funds, UCITS and ETFs), secured lending and financing and debt capital markets matters. He advises underwriters, arrangers, portfolio managers, issuers, trustees and institutional investors, and is qualified to practice in Hong Kong, New York, and England and Wales. Vincent has been ranked as a leading individual in Capital Markets: Derivatives & Structured Products and Securitisation in both Chambers Asia Pacific (2013-2018) and Chambers Global (2013-2017). He was accredited as a recommended lawyer in Structured Finance and Securitisation (Hong Kong) in The Legal 500 Asia Pacific (2013-2018) and a highly regarded/leading Lawyer in both Capital Markets: Derivatives and Capital Markets: Structured Finance and Securitisation (Hong Kong) in IFLR1000 (2013-2019).