Jeremy White represents a wide range of clients in complex litigation matters in the wage and hour, employment discrimination and public accommodation areas.
Jeremy has specific experience in collective and class actions under Title VII of the Civil Rights Act of 1964, the Equal Pay Act (EPA), the Americans with Disabilities Act (ADA), the Fair Labor Standards Act (FLSA) and other federal and state statutes concerning employment-related claims. He has defended employers before federal, state and local agencies, courts and courts of appeals.
- Represented multinational mass media and entertainment conglomerate and prevailed on summary judgment under Title III of the ADA and California’s Unruh Act in multiple cases before California and Florida federal courts
- Represented Fortune 100 company and successfully obtained dismissal of a former employee’s age and disability discrimination claims under state and federal law
- Represented media and entertainment company and prevailed in a bench trial involving claims under Title III of the ADA
- Chambers USA, 2015-2018 and 2023-2026
- District of Columbia Courts, Capital Pro Bono Honor Roll, 2023
- Legal 500 US, 2020-2022
- Washington University School of Law, JD
- Washington University in St. Louis, BSBA
- District of Columbia
- Maryland
- US Court of Appeals for the Federal Circuit
- US Court of Appeals for the District of Columbia Circuit
- US Court of Appeals for the Ninth Circuit
- US Court of Appeals for the Eleventh Circuit
- US Court of Federal Claims
- US District Court for the District of Maryland
- US District Court for the District of Columbia

Alex M. Spisak
Alex M. Spisak focuses his practice on complex civil litigation and insurance litigation counseling. Alex has experience with all aspects of litigation from initial case filing through discovery, trial and appeals in federal and state courts across the United States. Alex represents insurers in insurance coverage litigation and claims disputes in connection with clients’ most difficult and high-profile exposures, including environmental and asbestos liabilities, childhood sexual abuse cases and chemical exposure liabilities.
- Trial team member for defendant fiduciaries in eight-day ERISA class action bench trial. Obtained rulings denying all injunctive relief and 97% of damages sought
- Represented 401(k) fiduciaries in ERISA class action in Boston. Obtained summary judgment erasing a multi-million damages claim
- Represented insurers in 22-day trial arising from 82,209 sexual abuse claims against the Boy Scouts of America
- Best Lawyers: Ones to Watch in America, Commercial Litigation, Energy Law, 2026
- Military Spouse JD Network, The Trail Blazer Award, 2025
- Rhode Island Bar Association
- Military Spouse JD Network, member (Board of Directors 2017-2019)
- Suffolk University Law School, JD
- Harvard University, AB
- District of Columbia
- Massachusetts
- Rhode Island
- US District and Bankruptcy Courts for the District of Columbia
- US Court of Appeals for the Third Circuit

Kevin Spencer
Kevin Spencer focuses his practice on tax controversy issues. Kevin represents businesses and high-net worth individuals in complicated tax disputes in federal court (US Tax Court, District Court, Court of Federal Claims, and US Circuit Courts of Appeals) and before the Internal Revenue Service (IRS) at the IRS Appeals and Examination divisions.
In addition to his tax controversy practice, Kevin has experience advising clients on various tax issues, including tax accounting, civil and criminal tax penalties, IRS procedures, reportable transactions, and tax shelters. After earning his Master of Tax degree, Kevin had the privilege to clerk for the Honorable Robert P. Ruwe on the US Tax Court.
- Prem and Venkamma Reddy v. Commissioner (Tax Court Docket No. 26415-22)
- Henry and Susan Samueli v. Commissioner (Tax Court Docket No. 25811-22)
- Valerie Lindsey v. Commissioner (Tax Court Docket No. 23432-22)
- Estate of Stanley F. Fulton v. Commissioner (Tax Court Docket No. 7200-22)
- Growmark, Inc. v. Commissioner (Tax Court Docket No. 9076-17)
- JD Supra, Readers’ Choice Awards, Top Author – Tax, 2024
- District of Columbia Courts, Capital Pro Bono Honor Roll, 2023
- Lexology Legal Influencers Q2, 2021
- Georgetown University Law Center, LLM, with distinction
- University of Miami School of Law, JD, cum laude
- University of Mary Washington, BS, cum laude
- District of Columbia
- Florida
- English
- Spanish

Shirin Deyhim
Shirin Deyhim focuses her practice on structured finance transactions; in particular leveraged buy-outs (LBO) transactions, acquisitions financing (build-ups), funds financing (equity bridge financing) and debt restructuring.
Shirin acts for both financing providers (senior or subordinated) and borrowers.
- Chambers France, Banking & Finance, 2025
- The Best Lawyers in France, 2024-2026
- The Legal 500 EMEA, Recommended, 2020, 2023-2025
- Chambers Europe, France: Banking & Finance, 2024
- King''s College London, LLM, International Financial Law
- University of Toulouse, Master 2, Financial Law (Banking
- Financial and Insurance Law)
- Paris
- English
- French
- Farsi

Ryan S. Smethurst
Ryan Smethurst has decades of experience representing insurers in their most complex, high-exposure matters. Co-head of McDermott’s nationally recognized Insurance Litigation & Counseling practice, Ryan has successfully litigated and resolved insurance coverage disputes arising from mass tort and emerging mass tort liabilities in terrorism, environmental, sexual abuse, asbestos, and other products liability contexts.
- Co-lead trial counsel for Allianz in successful 2014 bench and six-week jury trials in inter-insurer contribution litigation arising out of thousands of asbestos cases against Freightliner Corporation nationwide and Freightliner’s Superfund liabilities in Oregon, Washington and Indiana (Allianz Global Risks U.S. Ins. Co., et al. v. ACE Prop. & Cas. Ins. Co., et al., No. 1204-04552, Multnomah County (Oregon) Circuit Court)
- Legal 500 US, Leading Lawyer, 2021-2025
- Chambers USA, District of Columbia: Insurance: Insurer, 2013-2023 and Band 1, 2025-2026; Nationwide: Insurance: Dispute Resolution: Insurer, Band 3, 2013-2026
- Best Lawyers in America, Insurance Law, 2027
- Alexandria Country Day School, board of trustees 2015 to 2018
- Belle Haven Community Association, board of directors 2013 to 2014
- George Mason University Antonin Scalia Law School, JD, cum laude
- Cornell University, BA
- District of Columbia
- Maryland
- US District Court for the District of Columbia
- US District Court for the District of Maryland

Timothy S. Shuman
Advises US and non-US multinationals on corporate and international tax matters
Counsels on domestic and cross-border acquisitions, dispositions, restructurings, and liquidations
Guides publicly traded and privately held companies on spin-offs Represents clients in obtaining private letter rulings and other IRS guidance
Timothy (Tim) S. Shuman heads the firm’s Tax Group. His practice centers on guiding multinationals through high-stakes corporate and international tax matters, such as domestic and cross-border acquisitions, dispositions, restructurings, and liquidations.
- Represented JAB Holding Company in its acquisition of Prosperity Life Group
- Represented Independence Pet Group in its $1.5 billion acquisition of Embrace Pet Insurance, $1.4 billion of Crum & Forster Pet Insurance Group, acquisition of a controlling interest in Pumpkin, and several other acquisitions in the pet insurance space
- Represented Keurig Dr Pepper in multiple acquisitions, investments, and joint ventures including Core, Nutrabolt, and Athletic Brewing
- Legal 500 US, Recommended, 2016-2025
- Chambers USA, Tax, 2020-2026
- International Tax Review, World Tax, 2023-2026
- Turnaround & Workouts, Bankruptcy Tax Specialists in the Nation’s Major Law Firms, 2022-2025
- Washingtonian, Top Lawyers, Tax, 2024
- McDermott Will & Schulte Tax Group, global head
- McDermott Will & Schulte Management Committee, member
- Yale Law School, JD
- Vanderbilt University, BA, summa cum laude, with honors
- District of Columbia
- English

Romain Desmonts
Romain Desmonts focuses his practice on tax advice to French and multinational companies, with an emphasis on the tax aspects of domestic and cross-border mergers, acquisitions, and group restructurings, as well as indirect tax matters.
Romain also regularly provides tax advice to high net-worth individuals on domestic and international estate planning issues, especially in a US-France context.
He has developed a strong background in tax controversy and litigation for corporate and private clients.
- The Legal 500 EMEA, Recommended, 2021-2026
- Member, International Bar Association (IBA)
- University Paris-Dauphine, Master 2 (Postgraduate degree), Corporate Tax Law, magna cum laude
- Paris Dauphine University – PSL
- Paris
- French
- English

Margaret H. Warner
Margaret (Peg) Warner has served as first chair trial and appellate counsel in state and federal courts in over thirty jurisdictions. Her work has spanned antitrust, commercial, class action, environmental, healthcare, insurance, mass tort, product liability, and reinsurance disputes. As lead trial counsel, Peg has taken over fifty cases to verdict/judgment before juries, judges and arbitration tribunals. Many of her cases have involved high-profile public policy issues from the Agent Orange litigation in the 1980s, environmental and Superfund litigation involving such notorious sites as Love Canal and the Hudson River in the 1990s, to sexual abuse, 9/11, antitrust, healthcare, ERISA and COVID-19 litigation in the 21st Century.
- Lead trial counsel for defendant fiduciaries in eight day ERISA class action bench trial. Obtained rulings denying all injunctive relief and 97% of damages sought. Full affirmance in Tenth Circuit
- Lead trial counsel for plaintiffs in multi-phased bench trials lasting months on more than thirty statutory and common law issues involving insurance coverage for long-tailed claims. Won almost all issues tried
- Lead trial counsel obtaining dismissal of ERISA claims against fiduciaries in putative class action litigation. Full affirmance in Ninth Circuit
- Benchmark Litigation National, Litigation Star, Top 250 Women in Litigation
- Best Lawyers in America, Commercial Litigation (2008-2024 and 2026-2027), Insurance Law (2008-2024 and 2026-2027), Litigation – Insurance, 2021-2027
- Business Insurance 2008, named one of its 25 international Women to Watch
- University of Notre Dame, JD
- St. Lawrence University, BA, cum laude
- District of Columbia
- Supreme Court of the United States
- US Court of Appeals for the Federal Circuit
- US Court of Appeals for the District of Columbia Circuit
- US Court of Appeals for the Second Circuit
- US Court of Appeals for the Third Circuit
- US Court of Appeals for the Fifth Circuit
- US Court of Appeals for the Sixth Circuit
- US Court of Appeals for the Seventh Circuit
- US Court of Appeals for the Ninth Circuit
- US Court of Appeals for the Tenth Circuit
- District of Columbia Court of Appeals

Dale C. Van Demark
With his robust experience in health system affiliations, joint venture transactions, cross-industry collaborations and the development of new healthcare delivery models, Dale C. Van Demark works at the forefront of strategic transactions and digital health matters in the health, life sciences and technology industries. As a sought-after legal, strategic and policy advisor, he’s well-informed on integrating information technology into healthcare and has worked with clients in the realms of delivery of care, life sciences research and development, and artificial intelligence. Dale C. Van Demark is a founding partner of McDermott Will & Schulte’s Digital Health Practice.
- Lead transaction counsel for a top health system in a collaboration arrangement with a prominent life sciences firm that enabled sharing health data for research and development in order to improve health system laboratory functions.
- Lead transaction counsel for a health system in the acquisition of a financially distressed municipal hospital.
- Children’s Health Fund, advisory council
- Elizabeth Haub School of Law at Pace University, JD, cum laude
- Purchase College, BA, cum laude
- District of Columbia
- New York

Bertrand Delafaye
Bertrand Delafaye advises strategic clients and investment funds on complex transactions, including private and public M&A, leveraged buyouts and joint venture transactions. Bertrand has also extensive experience in equity and equity-linked securities offerings, representing issuers, underwriters, and shareholders and more generally in securities and corporate law and corporate governance issues faced by publicly listed companies. He also has significant experience in the international arena, including cross-border M&A transactions.
Bertrand regularly handles pre- and post-closing disputes in the context of M&A transactions, and regularly advises on disputes among shareholders or joint venture partners.
- Advised the shareholders of Limflow in the sale of Limflow to Inari Medical International Inc
- Advised Biocorp Productions (Euronext Growth) in the public tender offer of Novo Nordisk over its securities
- Advised Pherecydes Pharma (Euronext Growth) in its merger with Erytech Pharma (Euronext and Nasdaq) to form Phaxiam Therapeutics
- The Legal 500 EMEA, Recommended, 2022-2026
- The Best Lawyers in France, 2023-2026
- University of Paris I Panthéon-Sorbonne, LLM (DEA), Business Law
- University of Paris II Panthéon-Assas, LLM (DESS), Insurance Law
- Paris
- English
- French
