Seth L. Williams

S. Libby Henninger is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. S. Libby, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which S. Libby is held by other top lawyers in the same geographic and legal practice area.

Laura Foote Reiff focuses her practice on business immigration laws and regulations affecting U.S. and foreign companies, as well as related employment compliance and legislative issues. Laura advises corporations on a variety of compliance-related issues, particularly related to Form I-9 alien employment verification matters. Laura has been involved in audits and internal investigations and has successfully minimized monetary exposure as well as civil and criminal liabilities on behalf of he...

Michal Shinnar is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law, Employment Law - Individuals and Litigation - Labor and Employment. Michal, who practices law in Greenbelt, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michal is held by other top lawyers in the same geographic and legal practice area.

David C. Kully is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. David C., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David C. is held by other top lawyers in the same geographic and legal practice area.

Bob Wellen, a partner of the firm, has practiced tax law for nearly 35 years. His practice involves planning, structuring and negotiating business transactions and representing taxpayers seeking private letter rulings from IRS and tax policy determinations from IRS and the Treasury Department and in controversies with IRS. He also serves as an arbitrator and as an expert witness in commercial disputes involving tax issues. Bob grew up in Jersey City, New Jersey. He graduated from Yale College...

Matthew D. Berkowitz is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Mass Tort Litigation / Class Actions - Defendants. Matthew D., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew D. is held by other top lawyers in the same geographic and legal practice area.

Ian represents companies, executives, and fiduciaries in connection with Employee Retirement Income Security Act (ERISA) litigation, employee benefits and executive compensation matters, class actions, and other commercial disputes. Trained as a trial lawyer, Ian has focused almost exclusively on employee benefits related litigation for the past 15 years. What do you focus on? I focus my practice on ERISA litigation. With broad experience in this area, I help defend plans, fiduciaries, and co...

Janet L. Goldstein is a top attorney recognized by Best Lawyers in the practice area(s) of Qui Tam Law. Janet L., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Janet L. is held by other top lawyers in the same geographic and legal practice area.

Chris Burke has over 20 years of experience litigating construction disputes both domestically and internationally. Chris has tried multiple disputes through final award, with amounts in dispute of over US$1 billion. Chris represents clients in state and federal courts and in arbitration proceedings, and has considerable experience with international dispute resolution. Chris represents owners, general contractors, construction managers, and subcontractors through the various stages of disput...

Adam Herzog, a partner of Katz Banks Kumin, joined the Firm in December 2013. Mr. Herzog has represented numerous clients pursuing whistleblower tips before the SEC, CFTC and FINCEN and has successfully assisted them in earning millions of dollars in award payments. Three of Mr. Herzog’s clients received SEC whistleblower awards in the second half of 2023 alone, some of whom participated in a $104 million total award that was the fourth largest in the SEC program’s history. Detail...