Steven K. Davidson

Douglas B. Farquhar has more than 30 years of experience as a prosecutor and defense and regulatory attorney. Since joining the firm in 1997, he has advised pharmaceutical and medical device manufacturers and wholesalers, compounding pharmacies, and individuals on a wide range of enforcement activities, including consent decrees, criminal investigations, debarment issues, arbitration proceedings, civil seizures, FDA inspection issues, and injunctions. Mr. Farquhar has a broad-based understand...

For more information, please visit www.gibsondunn.com/lawyer/williams-greta-b/ .

Andre Owens’ practice focuses on securities trading and markets activities. He counsels broker-dealers, securities exchanges, investment advisers and other clients on a variety of regulatory issues under the rules of the SEC, FINRA and various securities exchanges, including Regulation NMS; Regulation ATS; short sale regulation; sales practice rules, automated trading and risk controls and order handling matters. Mr. Owens also provides advice with respect to acquisitions of securities ...

Nader Salehi is a partner in the Government, Regulatory and Internal Investigations Practice Group in the Washington, D.C., office of Kirkland & Ellis LLP. Nader represents clients in high-profile and complex internal and government investigations, and has regularly counseled investment banks, fund managers and public companies in matters of enterprise-wide significance. He has led numerous clients through their most significant matters involving the Securities and Exchange Commission (SE...

Michael J. Shevlin is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Michael J., who practices law in Fairfax, Virginia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Michelle L. Butler provides counsel on government pricing, health care, and FDA law in the area of prescription drugs and biologics. Across these practice areas, she specializes in the interpretation of complex regulations. Ms. Butler advises clients on changes in health care law and how these changes affect calculation and reporting across government pricing programs, specifically the Medicaid Drug Rebate Program, the 340B Program, the Medicare Part B Average Sales Price calculation, and the...

Michael A. Hass is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Michael A., who practices law in McLean, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael A. is held by other top lawyers in the same geographic and legal practice area.

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...

Andrew Miller joined Baron & Budd’s Washington, D.C. office in 2018, where he focuses on bringing fraud and abuse litigation throughout the United States under such statutes as the federal False Claims Act, state False Claims Acts, the Anti-Kickback Statute and the Stark Law. A shareholder in our Washington D.C. office, Mr. Miller also represents clients with claims filed with the Whistleblower Offices of the Securities and Exchange Commission and the Internal Revenue Service. Befor...

Nicholas A. Giannasca is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Nicholas A., 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 Nicholas A. is held by other top lawyers in the same geographic and legal practice area.