Jonathan Levine counsels clients in a wide range of corporate matters, with a focus on complex corporate restructurings both in-court and out-of-court. His clients include troubled companies, ad hoc creditor and equity groups, official creditor committees, private equity funds, asset managers, and other parties of interest.
Among other industries, Jonathan has advised clients in matters involving airline, healthcare, energy, manufacturing, mining, oil and gas, technology, telecommunications, maritime shipping, trucking and other transportation sectors.
Ad Hoc Groups
- Ad hoc secured bondholder group holding in connection with a chapter 11 credit bid for substantially all of the assets of Techniplas LLC, a leading global provider of highly engineered plastics systems and components
- Ad hoc term loan lenders in our of court negotiations with PureStar Linen Group LLC, provider of laundry services and linen management to the hospitality industry
- Ad hoc group of unsecured lenders in connection with chapter 11 cases of Aerovías de México, S.A. de C.V.
- Best Lawyers in America, Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, 2025
- Legal 500 US, Restructuring: Corporate, 2019-2022
- IFLR1000, Restructuring and Insolvency, Notable Practitioner, 2020
- Metro Magazine, Bankruptcy & Creditor/Debtor Rights, New York Rising Star, 2011-2015
- University of California, Los Angeles School of Law, JD
- Stanford University, BA
- New York
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York
- English

David Genender
David Genender represents companies in high-stakes litigation. An experienced first-chair trial lawyer, he has represented clients in the energy, technology, private equity, professional services, real estate, and life sciences industries in disputes including trade secret misappropriation, patent infringement, antitrust, breach of fiduciary duty, fraud, environmental, product liability, post-acquisition accounting, royalty, and toxic tort matters in addition to typical breach of contract and commercial fraud cases. He has also handled class actions and multi-district litigation. In addition to representing clients in disputes, David counsels clients regarding dispute resolution agreements, risk management, and other matters designed to minimize litigation risk and/or exposure.
- Represented an international energy company in a tortious interference and licensing dispute in arbitration and received full award of damages for client with take-nothing award for opposing party*
- Represented an international energy company in a patent infringement litigation relating to downhole devices and received an eight-figure jury verdict*
- Represented an international energy company in an investigation of misappropriation of trade secrets claims and received full award in arbitration against disloyal fiduciary*
- Best Lawyers in America, Commercial Litigation, 2026-2027
- Chambers USA,Litigation: General Commercial, 2024-2026
- Benchmark Litigation, Texas Local Litigation Star, 2010 to 2022
- Thomson Reuters, Texas Super Lawyer, 2003 to 2020
- Dallas Bar Association, member
- Texas Bar Association, member
- The University of Texas School of Law, JD, Order of the Coif
- Princeton University, BA, cum laude
- Texas
- Supreme Court of the United States
- Supreme Court of Texas
- US Court of Appeals for the Fifth Circuit
- US District Court for the Eastern District of Texas
- US District Court for the Northern District of Texas
- US District Court for the Southern District of Texas

Rosalyn R. Broad
Rosalyn R. Broad works closely with hospitals, health systems and physician-owned practices on buy-side and sell-side transactions, joint ventures, payor agreements, medical director agreements, and data licensing and privacy matters. She also works with clients on regulatory and compliance issues, helping them navigate Stark Law, Anti-Kickback Statute (AKS) and Health Insurance Profitability and Accountability Act (HIPAA) requirements, as well as Medicare and Medicaid reimbursement policies.
- Legal 500 US, Recommended, 2025
- Tulane University Law School, JD, cum laude
- The University of Texas at Austin, BA
- New York
- Tennessee
- Texas

Jun Won Kim
Jun Won Kim advises private equity sponsors and their portfolio companies, as well as public and private strategic companies, in a wide range of domestic and cross-border transactions, including mergers, acquisitions, consortium investments, minority investments, joint ventures, restructurings, carve-outs, dispositions and other corporate governance matters.
- Represented an American global investment company in its acquisition of Neighborly, a leading home services platform*
- Represented Silver Lake in its acquisition of First Advantage, a global technology and information services leader in background check and drug screening solutions*
- Represented BC Partners in its investment in EAB, a leading provider of subscription-based research, software and technology-enabled services to the higher education industry*
- Best Lawyers: Ones to Watch in America, Mergers and Acquisitions Law, 2024-2025
- Northwestern Pritzker School of Law, JD
- New York University, BA
- New York
- English
- Italian
- Korean

Richard Salgado
Tries complex cases in state and federal courts, arbitrations, and other proceedings across healthcare, trade secrets, product and environmental liability, and commercial litigation
Leads the firm’s class action practice, representing plaintiffs and defendants in bet-the-company disputes
Handles appellate matters, including oral argument before federal and state appellate courts across the United States
Maintains an active pro bono practice focused on protecting religious freedom and the rights of children and adults with intellectual and other disabilities
Richard Salgado is the Dallas lead of McDermott Will & Schulte’s Litigation Practice Group and co-leads the firm’s class action practice. He is an experienced trial lawyer who has first-chaired dozens of complex cases in state and federal courts, arbitrations, and other proceedings. His extensive jury and courtroom experience includes cases in all areas of health care, as well as trade secrets, product and environmental liability, and commercial litigation. He has successfully represented plaintiffs and defendants in complex, bet-the-company disputes including many cases in which the amount in controversy has exceeded hundreds of millions of dollars.
- Obtained complete victory for a healthcare company in a US$600 million putative class action alleging antitrust and RICO claims in connection with alleged violations of network access and pharmacy pricing laws*
- Secured highly favorable settlement for plaintiff healthcare company against foreign-based conglomerate for misappropriation of trade secrets in the Middle East and North Africa
- Won complete no liability verdict in multi-week trial on behalf of private equity company against allegations of breach of fiduciary duty and breach of contract, seeking more than US$150 million, asserted by former C-suite executive*
- Obtained successful outcome for auto part manufacturer in putative class action stemming from recall of approximately 5 million airbag units*
- Won complete no liability verdict in multi-week jury trial on behalf of technology company against trade secret misappropriation and breach of contract claims that sought more than US$75 million*
- Successfully defended putative class action alleging manufacturer provided misleading information regarding price at which customers would be able to replace car batteries under warranty*
- Obtained complete victory and concession by Internal Revenue Service in US$8.4 billion tax dispute involving debt vs. equity and cancellation of indebtedness issues*
- Represented coalition of various large academic medical centers and patients in multi-jurisdictional litigation against US Department of Health and Human Services to enjoin potentially life-and-death changes to the allocation of donated organs*
- Successfully defended software developer in putative class action brought on behalf of more than one million insurance claimants alleging that 500 major insurers used software to depress value of insurance claims*
- Obtained complete win on summary judgment in toxic tort case alleging illnesses caused by chemical exposure and seeking more than US$100 million*
- Won complete victory for investors and business partners in multi-week jury trial seeking more than US$25 million for alleged breach of contract and interference with prospective business relations in technology startup*
- Obtained complete victory for third-party health care claims administrator in whistleblower action brought under the False Claims Act accusing the defendant of facilitating widespread Medicaid fraud in Texas public schools*
- Won complete victory in international arbitration on behalf of healthcare technology company, prevailing on claims for business torts and trade secret misappropriation, defeating all counterclaims, and obtaining multimillion-dollar damages award, attorney fees, and permanent injunction*
- Successfully represented industrial client in multi-week jury trial seeking tens of millions of dollars in damages based on illnesses allegedly caused by toxic exposure*
- Obtained favorable jury verdict against US$600 million bad faith insurance claims in state court case concerning extensive environmental contamination by mining operations*
- Successfully defended major energy and construction company in a putative class action alleging that its work on behalf of the US Army Corps of Engineers contributed to floodwall breaches in New Orleans during Hurricane Katrina*
- Obtained summary judgment of noninfringement on behalf of the world’s largest computer gaming company in major patent litigation*
*Matter handled prior to joining McDermott.
- The Best Lawyers in America, Appellate Practice (2025-2027), Litigation – Intellectual Property (2025-2027), Commercial Litigation, 2027
- Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2023-2026
- BYU Law School Alumni Association, former president
- Dallas Hispanic Bar Association, member
- J. Reuben Clark Law Society, North American Southwest area chair
- DFW Alliance for Religious Freedom and Human Dignity, vice president
- Brigham Young University J. Reuben Clark Law School, JD, summa cum laude, Order of the Coif
- Brigham Young University, BA
- Texas
- Utah
- US Court of Appeals for the Second Circuit
- US Court of Appeals for the Third Circuit
- US Court of Appeals for the Fourth Circuit
- US Court of Appeals for the Fifth Circuit
- US Court of Appeals for the Eighth Circuit
- US Court of Appeals for the Ninth Circuit
- US Court of Appeals for the Tenth Circuit
- US Court of Appeals for the Eleventh Circuit
- US Court of Appeals for the Federal Circuit
- US Court of Appeals for the District of Columbia Circuit
- US District Court for the Eastern District of Texas
- US District Court for the Northern District of Texas
- US District Court for the Southern District of Texas
- US District Court for the Western District of Texas
- US District Court for the District of Utah
- Supreme Court of the United States
- English
- Spanish

Ashley T. Brzezinski, PhD
Ashley Brzezinski, PhD, advises clients on medical technology and life sciences intellectual property matters, particularly on strategic portfolio development and transactional due diligence. Ashley represents clients in areas such as medical technology, consumer devices, robotics, artificial intelligence, computer-assisted medical solutions and bioinformatics. Ashley also performs IP due diligence studies in transactions involving life science companies, provides invalidity and non-infringement opinions and represents clients in reexamination and post-grant proceedings.
- Advised a digital therapeutics company in its acquisition of a UK virtual reality company focused on utilizing digital therapeutics for anxiety, pain management and maternal health
- Advised a Swedish global investment firm on its €2.8 billion acquisition of a global provider of mission critical biopharma transport services*
- Advised a large SPAC in its $1.1 billion SPAC formation and acquisition of a manufacturer of robotic surgical tools*
- Best Lawyers: Ones to Watch in America, Intellectual Property, 2023-2026
- Super Lawyers, Massachusetts Rising Star, 2023-2025
- First place, Boston Patent Law Association’s Annual Writing Competition, 2016
- Massachusetts State Bar, member
- Boston University School of Law, JD
- Northeastern University, PhD, Electrical Engineering and Computer Science
- Northeastern University, MS, Electrical Engineering and Computer Science
- Fairleigh Dickinson University, BS, Electrical Engineering and Computer Science
- Massachusetts
- New York
- US Patent and Trademark Office

Kathryn Linsky
Kathryn Linsky, CIPP/US, is an experienced privacy, data protection and cybersecurity lawyer counseling on data protection practices throughout the information lifecycle, including compliance with national and international regulations and data processing in emerging technologies.
- Legal 500 US, Recommended Lawyer, 2023-2025
- Brooklyn Law School, JD, cum laude
- Lehigh University, BA, with honors
- New York
- English

Jack Thorne
Jack Thorne is a litigation partner and Co-Head of the London Trial Group. He focuses his practice on litigation and dispute resolution, advising across a broad range of domestic and international disputes, with a focus on commercial litigation and arbitration, finance litigation, and corporate insolvency. He has particular experience dealing with cross-border disputes arising out of corporate and financial transactions, including claims involving breaches of warranty and misrepresentation, as well multi-party/group litigation, including in the areas of data protection and securities.
Jack advises on complex litigation at all levels of the English civil court system and also has experience handling significant cases before various arbitral tribunals, including the London Court of International Arbitration, the International Chamber of Commerce, and the Hong Kong International Arbitration Centre.
- Acted for an Irish telecommunications company in a novel damages claim valued at c. £70 million against a British multi-national telecommunications company in the Competition List of the High Court, alleging breaches of statutory duty, including under competition legislation
- Acting for an Italian publicly-listed construction company in defending claims valued at €200 million brought in the Commercial Court by the world’s largest fertiliser producer under performance bonds issued by two banks in relation to a construction project in Russia
- Acted for a Nasdaq-listed critical events software company in defending a c. US$60 million Commercial Court claim under a share purchase agreement, involving allegations of breach of contract and that the company failed to comply with reporting, regulatory and Nasdaq Listing requirements, including by failing to make prompt disclosure of information reasonably expected to affect the value of its securities
- Acted for the UK’s largest debt purchase company in a c. £50 million Commercial Court claim relating to breaches of warranties contained in a share purchase agreement*
- Legal 500 UK, Next Generation Partner, Commercial Litigation: Mid-Market, 2019-2026; Recommended, 2027
- Chambers UK, Band 2 in Shareholder Litigation, 2027
- The Law Society of England & Wales
- The London Solicitors Litigation Association
- BPP University Law School GDL 2009
- University College London BA 2008 (Dean’s List)
- England and Wales, Active, 2013

Frederick J. Lark
Frederick (Fritz) J. Lark advises clients on M&A transactions, with a focus on energy, utilities and digital infrastructure. He represents infrastructure funds, utilities and other investors in public and private company mergers, acquisitions, joint ventures, equity investments, and debt and hybrid securities issuances among other transactions. Fritz has experience advising clients in transactions across a variety of sectors, including energy, power and utilities, insurance, financial services, manufacturing, chemicals and technology.
Additionally, Fritz advises clients on corporate governance and disclosure issues under the federal securities laws and exchange rules, as well as on general corporate matters.
- Advised Brookfield Infrastructure in its $4.1 billion sale of its wholly owned North America district energy business, Enwave, through two separate transactions which were entered into simultaneously. Ontario Teachers’ Pension Plan Board and IFM Investors acquired 100% of Enwave’s Canadian business and QIC Limited and Ullico Inc. acquired 100% of Enwave’s U.S. business.*
- Advised Argo Infrastructure Partners LLC in its $514 million acquisition of Macquarie Infrastructure Corporation’s Hawaii businesses, which comprise a combined regulated gas utility and unregulated distributor of propane and several smaller businesses, including controlling interests in two solar facilities.*
- Advised Argo Infrastructure Partners in its $500 million equity investment in TierPoint, a leading provider of secure, connected data center and cloud solutions, making Argo the single largest equity investor in TierPoint.*
- Advised an affiliate of Brookfield Asset Management in a strategic investment with Landmark Infrastructure Partners LP to form a joint venture to invest in core telecommunication, renewable power and other infrastructure assets.*
- Advised Argo Infrastructure Partners in the acquisition of interests in Hudson Transmission Partners, LLC the owner of a 660 MW HVDC subsea electric transmission system connecting PJM to NYISO from Ares EIF and Starwood Energy Group Global, LLC.*
- Best Lawyers in America, Energy Law, 2026
- Chambers USA, Nationwide: Energy: Oil & Gas (Transactional), 2024
- Chambers USA, Nationwide: Energy: Electricity (Transactional), Band 2, 2018-2025
- Chambers Global, Energy: Electricity (Transactional) – USA, Band 4, 2022
- Legal 500
- United States Energy Transactions: Conventional Power, 2018
- Energy: Regulatory, 2016
- Project Finance, 2014
- Energy: Transactions, 2013 and 2024
- Project Finance: Advice to Sponsors, 2013
- American Bar Association, member
- Infrastructure and Regulated Industries Section, Finance, Mergers & Acquisitions Committee, co-chair
- New York State Bar Association, member
- Rutgers Law School, JD, Order of the Coif
- The Wharton School of the University of Pennsylvania, BS
- New York
- New Jersey

Margaret J. Sampson, PhD
Margaret J. Sampson, PhD, focuses her practice on global, strategic intellectual property transactions, and patent counseling surrounding the areas of life sciences, pharmaceuticals, research tools, and medical devices. Life sciences and technology clients turn to her for evaluating, structuring, negotiating, and documenting major transactions.
- Represented pharmaceutical company in a strategic research and development alliance and option licensing transaction which focused on the development of cell therapies for patients with ocular diseases for the next generation of ocular treatments, for a $30 million up-front payment and R&D funding for the development of multiple candidate programs*
- Represented pharmaceutical company in various acquisitions, dispositions and investments of FDA-approved pharmaceutical products*
- Represented pharmaceutical company in a world-wide development and collaboration agreement for the development of an implantable drug delivery device for the programmed release of therapeutics to patients, for a $35 million up-front payment in the form of an equity investment and technology access fee*
- Chambers USA, 2026
- Legal 500, Recommended Lawyer, 2023
- IAM Patent 1000 – The World’s Leading Patent Practitioners, 2023-2025
- Best Lawyers in America, Litigation – Intellectual Property (2012-2027), Litigation – Patent (2012-2027), Biotechnology and Life Sciences Practice (2013-2027), Patent Law, 2013-2027
- American Bar Association
- The University of Texas School of Law, JD, with honors
- Baylor College of Medicine, PhD, Molecular & Human Genetics
- The University of Texas at Austin, BS, Biology
- The University of Texas at Austin, BA, Liberal Arts (Plan II)
- Texas
- California
- US Patent and Trademark Office