Elizabeth Briones

Jay R. Nanavati is an accomplished litigator, a former federal tax prosecutor, and a founding partner of Kostelanetz LLP's Washington, D.C., office. He has developed an enviable record of success in persuading the government to terminate investigations of his clients and in defeating the government in court. Mr. Nanavati maintains a nationwide practice, focusing on white-collar criminal defense with an emphasis on tax-related matters. He represents individuals and entities facing investigatio...

J ane C. Bergner's practice encompasses a broad range of tax matters, including tax audit and controversy matters; tax collection disputes; innocent spouse issues; civil litigation at the trial and appellate levels; corporate, partnership, business and individual transactional tax planning; the representation of tax-exempt organizations; and estate, gift and wealth planning and probate. Jane is the author of Chapter 50, "Tax Court Jurisdiction, Procedure & Practice," included in the tax t...

Michael W. Brooks is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. Michael W., 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 Michael W. is held by other top lawyers in the same geographic and legal practice area.

Scott Simmer founded the Simmer Law Group in Washington D.C., in 2014, but he’s been practicing law for decades and is a seasoned expert at rooting out deceit and fraud in hidden corners of government programs, education, and healthcare industries. Joining with Baron & Budd in 2018 to form our Washington D.C. office, Mr. Simmer continues to represent whistleblowers bringing qui tam cases of fraud under federal and state False Claims Acts as well as IRS, Securities and Exchange Commi...

Recognized as one of The Best Lawyers in America © in the fields of commercial litigation and intellectual property, Susan Metcalfe is a veteran trial attorney who knows what it takes to get the job done for her clients both inside and outside the courtroom. With over eighteen years’ experience as a trial attorney, Susan has significant, substantive experience with an extremely broad array of litigation, including: Intellectual property (trade secrets, trademark, noncompetition agr...

Clients depend on Mike's congressional and administration experience, serving as health policy counsel to the Senate Committee on Finance and in several roles in the Department of Health and Human Services, for representation on both legislative and regulatory matters. His direct work with policymakers enables him to meet the legislative and regulatory needs of his clients. Michael served as health policy counsel to Senator Charles Grassley (R-IA), Chairman of the Senate Committee on Finance,...

For more information, please visit www.gibsondunn.com/lawyer/warin-f-joseph/ .

Shelley R. Slade is a top attorney recognized by Best Lawyers in the practice area(s) of Qui Tam Law. Shelley R., 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 Shelley R. is held by other top lawyers in the same geographic and legal practice area.

Tara L. Ward is a top attorney recognized by Best Lawyers in the practice area(s) of Government Contracts. Tara L., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tara L. is held by other top lawyers in the same geographic and legal practice area.

James R. Hammerschmidt is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Employment Law - Management and Litigation - Labor and Employment. James R., who practices law in Bethesda, Maryland, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.