John P. Feldman

Elizabeth Drake is a principal in the firm’s Plan Sponsor group. Her practice covers Employee Retirement Income Security Act (“ERISA”) and tax requirements applicable to retirement plans and non-qualified arrangements, health and welfare benefits and fringe benefit programs. In recent years, Elizabeth’s practice has focused on counseling and advocacy work on behalf of large plan sponsors on complex and sensitive matters primarily involving their defined benefit pension...

Known for her straightforward, “cut-to-the-chase” approach to lawyering, Deborah P. Kelly represents employers in virtually all areas, from multibillion-dollar high tech and financial services companies to nonprofit associations and other law firms. Deborah helps her clients adopt best practices that minimize the risk of litigation. She designs and leads in-person training for boards of directors, managers, human resources professionals and other employees. While these trainings f...

Bill Burgess’ practice focuses on appellate litigation across a broad range of subject matter, including patent litigation, commercial litigation, and regulatory matters. He has argued appeals in most of the United States courts of appeals, including several in the Federal Circuit. He has been to trial several times, joining trial teams to brief dispositive motions or prepare for appeals, and has also practiced before agencies such as the Patent & Trademark Office, International Tra...

Todd Steinberg focuses his practice on helping high net worth individuals and families navigate complex and sophisticated estate and income tax planning matters. He assists clients with multi-generational wealth preservation and accumulation, as well as probate and trust administration, and charitable planned giving. Todd has substantial experience in complex, post-death estate and trust administration, as well as fiduciary litigation matters. He has represented clients in IRS estate and gift...

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

For more information, please visit www.gibsondunn.com/lawyer/tayrani-amir-c/ .

Allyson Mullen provides counsel to medical device and in vitro diagnostic (IVD) manufacturers. Ms. Mullen assists clients with a wide range of pre and postmarket regulatory topics including developing regulatory strategy, preparing regulatory submissions, drafting regulatory policies and procedures, reviewing advertising and promotional materials, and addressing enforcement matters. In the premarket area, Ms. Mullen develops regulatory strategy, including obtaining breakthrough device designa...

Leon B. Greenfield is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Leon B., 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 Leon B. is held by other top lawyers in the same geographic and legal practice area.

Thomas M. Cusick focuses his practice on complex family law negotiation and litigation. His pragmatic approach provides effective and efficient solutions for his clients. Tom believes in exploring all possibilities of resolving a matter outside of the courtroom. He is a strong proponent of negotiation and mediation. If litigation is unavoidable, Tom has significant first chair trial experience handling a variety of family law matters. Tom’s practice encompasses all areas of family law i...

Grayson P. Hanes is a top attorney recognized by Best Lawyers in the practice area(s) of Eminent Domain and Condemnation Law, Litigation - Land Use and Zoning and Litigation - Real Estate. Grayson P., who practices law in Reston, Virginia, has been recognized since 1989. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Grayson P. is held by other top lawyers in the same geographic and legal practice area.