Melissa Ray

Ivan Schlager is an international trade and national security partner in the Washington, D.C., office of Kirkland & Ellis LLP. Ivan provides counsel on structuring, negotiating and documenting transactions to address regulatory issues, including approval by the Committee on Foreign Investment in the United States (CFIUS). He represents a diverse group of clients ranging from defense companies, major telecommunications providers, and media and technology companies to private equity firms a...

Doug Patin has an extensive government contracts practice. While this work has involved the entire spectrum of traditional government contract disputes, he has developed extensive experience in various aspects of government contract law including: federal fraud and False Claims Act issues, bid protests, mediation, and contract dispute litigation with the federal government. Doug's extensive teaching and writing efforts keep him current on changing case law and developments in the field. Doug ...

Perry Lange represents clients in diverse antitrust matters before US courts, the US Department of Justice and Federal Trade Commission, state attorneys general and Congress. He has extensive experience litigating antitrust cases, including trials and appeals, securing merger clearance, and defending state and federal investigations. He has also represented a diverse set of clients in antitrust policy matters such as congressional investigations and hearings in both the House and Senate, incl...

Gregory H. Koger is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Gregory H., 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 Gregory H. is held by other top lawyers in the same geographic and legal practice area.

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.

Julie C. Mendoza is a Partner in the firm's International Trade practice. She has over two decades of experience skillfully defending a broad range of clients in major cases under U.S. import relief law and in U.S. customs matters. She practices before the U.S. Department of Commerce, the U.S. International Trade Commission, the Office of the United States Trade Representative, the U.S. Bureau of Customs and Border Protection, and other U.S. government agencies. Ms. Mendoza has worked on Sect...

Michael K. Berman is a partner in the Real Estate Department, and member of the Real Estate Private Equity practice and Local Department Chair of the Real Estate Department in Washington D.C. His practice focuses on the representation of debt funds, lending institutions, private equity funds, developers, investors and operators in a variety of commercial real estate transactions with an emphasis on real estate private equity. Michael's practice includes both debt and equity representations, i...

Diara M. Holmes serves as co-chair of the firm's Tax-Exempt Organizations Practice. She counsels tax-exempt organizations, including large public charities; colleges, universities and other higher education organizations; foreign charities and their U.S. affiliates; associations; government instrumentalities; social welfare organizations; and religious organizations on a broad range of tax compliance and governance issues. She advises nonprofit and for-profit organizations on structuring a va...

David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.

M. Kendall Day is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. M. Kendall, 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 M. Kendall is held by other top lawyers in the same geographic and legal practice area.