John D. Whittington

Joshua H. Soven is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher, LLP. Mr. Soven’s practice focuses on government antitrust investigations, antitrust litigation, and counseling on competition issues. He regularly represents clients before the Antitrust Division of the Department of Justice and the Federal Trade Commission, and in the federal courts. Mr. Soven has served in high-level positions at both U.S. antitrust agencies. Mr. Soven was Chief of the Litigati...

Aaron M. Oser is a top attorney recognized by Best Lawyers in the practice area(s) of Technology Law. Aaron M., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron M. is held by other top lawyers in the same geographic and legal practice area.

Jaime A. Santos is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA. Jaime A., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jaime A. is held by other top lawyers in the same geographic and legal practice area.

Stuart A. Schwager is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Stuart A., who practices law in Bethesda, Maryland, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stuart A. is held by other top lawyers in the same geographic and legal practice area.

Having spent over a decade as a prosecutor in the criminal and civil divisions of the U.S. Attorney’s Office for the District of Columbia, Michelle Bradford uses her extensive knowledge and skill, coupled with her profound determination and sharp wit, to defend clients in white collar criminal and complex civil litigation matters. Michelle brings considerable value to clients facing complex litigation by thoroughly and efficiently reviewing issues, identifying the heart of a matter and ...

Paula Calimafde chairs the firm’s Retirement Plans , Employee Benefits and Government Relations practice groups and is also a senior member of the Estate Planning , Tax and Nonprofit groups. She has more than 35 years of experience advising companies and tax-exempt organizations on qualified and non-qualified retirement plans and employee benefits, including non-qualified deferred compensation, welfare benefit and cafeteria plans. She is a nationally recognized leader in the field of cr...

Christopher Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Christopher, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.

Ian Paul Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Ian Paul, 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 Ian Paul is held by other top lawyers in the same geographic and legal practice area.

Elizabeth Selmo brings skills in both negotiation and courtroom advocacy in helping clients successfully resolve family law matters and move forward with their lives. She represents a wide variety of individuals, from successful professionals to spouses of primary earners, and empowers them to make educated choices for their futures. Elizabeth works with clients to identify solutions that will achieve their goals, while striving to reduce hostility and keep cases outside of court. At the same...

Kevin P. O’Brien is a partner in the firm’s Employee Benefits and Executive Compensation practice. His practice has concentrated in employee compensation and benefits for over 30 years. Kevin is widely known as a leader in a wide variety of subjects, including innovative defined benefit plan design, flexible benefits, ERISA fiduciary matters and executive compensation. Before joining the firm, Kevin worked in the Pension and Welfare Benefits Administration at the Labor Department ...