Charles W. "Charlie" Katz

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...

Jennifer Milici is a lawyer recognized by Best Lawyers in the practice area of Antitrust Law. Jennifer practices law in Washington, District of Columbia Best Lawyers has recognized Jennifer Milici since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jennifer Milici is held by other lawyers.

Nancy C. Libin is a lawyer recognized by Best Lawyers in the practice area of Privacy and Data Security Law. Nancy C. practices law in Washington, District of Columbia Best Lawyers has recognized Nancy C. Libin since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nancy C. Libin is held by other lawyers.

Patrick L. O'Neil is a lawyer recognized by Best Lawyers in the practice areas of Eminent Domain and Condemnation Law and Land Use and Zoning Law. Patrick L. practices law in Bethesda, Maryland Best Lawyers has recognized Patrick L. O'Neil since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Patrick L. O'Neil is held by other lawyers.

Kevin Grierson is a lawyer recognized by Best Lawyers in the practice area of Technology Law. Kevin practices law in Washington, District of Columbia Best Lawyers has recognized Kevin Grierson since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kevin Grierson is held by other lawyers.

David Aaron is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. David practices law in Washington, District of Columbia Best Lawyers has recognized David Aaron since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Aaron is held by other lawyers.

Brian D. Israel is a lawyer recognized by Best Lawyers in the practice areas of Environmental Law and Litigation - Environmental. Brian D. practices law in Washington, District of Columbia Best Lawyers has recognized Brian D. Israel since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Brian D. Israel is held by other lawyers.

Brian Nixon’s practice spans advertising, technology, emerging media and privacy, with particular focus on clients implementing targeted advertising strategies and other data-driven marketing initiatives across various media channels. He provides forward-thinking counsel to clients ranging from startups (including social media platforms and emerging media ventures) to Fortune 500 companies. He advises organizations of all sizes on data optimization, mobile commerce, Telephone Consumer P...

Jill Grant, the principal member of Jill Grant & Associates, LLC, has extensive background in environmental, administrative, and federal Indian law. Before starting her own law firm, Ms. Grant was a partner in private practice, representing Indian tribes on environmental and federal Indian law issues. Previously Ms. Grant wasan attorney at the U.S. Environmental Protection Agency, Office of General Counsel, where she was on the team that drafted the Clean Air Act Amendments of 1990 and wo...

Mr. Cassidy focuses on legal issues raised by cross-border business transactions, including antidumping and countervailing duty proceedings, economic sanctions, export controls and customs issues. He is experienced in devising strategies for using trade law procedures, such as the antidumping laws, to achieve business objectives and in resolving disputes between companies and the US government arising from sanctions, export controls and customs laws. Mr. Cassidy served as General Counsel of t...