Koorosh "KT" Talieh

Universally considered to be among the country's premier Supreme Court and appellate advocates, Seth Waxman served as Solicitor General of the United States from 1997 through January 2001. In addition to leading the firm's appellate practice, Mr. Waxman engages in a broad litigation and counseling practice, with particular emphasis on complex challenges involving governments or public policy, intellectual property, regulatory, criminal and commercial issues.

Chair of Brownstein’s National Tax Policy Group. Veteran of Capitol Hill who served for nearly a decade as Senate Finance Committee staff director. Creative strategist who finds legislative and regulatory solutions that save clients’ money. Russ Sullivan is one of the top tax attorneys and advocates in the country. When companies face risks in Washington, D.C., they turn to Russ to develop creative solutions that save their industry. For Fortune 50 companies, start-ups and nationa...

Steve Weber is a Partner in Peckar & Abramson PC ’s Washington, District of Columbia office and serves as Co-Chair of the firm’s Government Contracts practice. He brings more than 35 years of experience representing domestic and international contractors in construction law matters, including construction litigation and government contracts , in the United States and abroad. Steve’s practice focuses on representing construction contractors involved in power projects, hig...

David M. DeSalle is a lawyer recognized by Best Lawyers in the practice area of Energy Law. David M. practices law in Washington, District of Columbia Best Lawyers has recognized David M. DeSalle 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 M. DeSalle is held by other lawyers.

Mark’s background includes a broad array of multijurisdictional and complex commercial disputes, including class action litigation. He has practiced before state and federal courts, as well as in arbitration actions, and he has been involved in all aspects of litigation—from pretrial discovery and motion practice to trial advocacy and appellate practice. He regularly represents plans, their sponsors, and insurance companies before federal and state regulatory agencies. As a litiga...

Adam S. Caldwell is a lawyer recognized by Best Lawyers in the practice area of Communications Law. Adam S. practices law in Washington, District of Columbia Best Lawyers has recognized Adam S. Caldwell since 2026. 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 Adam S. Caldwell is held by other lawyers.

Thomas L. McCally is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Thomas L. practices law in Washington, District of Columbia Best Lawyers has recognized Thomas L. McCally 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 Thomas L. McCally is held by other lawyers.

Julie H. Heiden is a lawyer recognized by Best Lawyers in the practice areas of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Workers' Compensation Law - Claimants. Julie H. practices law in Fairfax, Virginia Best Lawyers has recognized Julie H. Heiden since 2015. 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 Julie H. H...

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.

Ranked by both Chambers USA and The Legal 500, and twice named a Law360 MVP for Government Contracts, Andrew Shipley is widely regarded as a leading government contracts litigator with a reputation for creative lawyering and outstanding written and oral advocacy. On multiple occasions, his client wins were described in the legal press as among the most significant government contract cases of the year because of the novel legal theories he crafted.