Robert C. Bonsib

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 ...

Marcus Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marcus, who practices law in Vienna, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcus is held by other top lawyers in the same geographic and legal practice area.

Alison Schary is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - First Amendment and Media Law. Alison, 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 Alison is held by other top lawyers in the same geographic and legal practice area.

Michael L. Sibarium is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Michael L., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael L. is held by other top lawyers in the same geographic and legal practice area.

Mimi Y. Liu is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Mimi Y., 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 Mimi Y. is held by other top lawyers in the same geographic and legal practice area.

Robert “Mike” Brock is a nationally recognized trial lawyer with 25 years of experience handling high-stakes, bet-the-business litigation. His practice focuses on representing pharmaceuticals and life sciences companies, particularly in product liability and mass tort cases. He has tried cases in a wide range of areas and has represented clients in antitrust, malpractice, toxic tort and securities class action litigation, as well as in other types of cases. Mike is a fellow of the...

Philip Tucker Evans is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Bankruptcy. Philip Tucker, who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philip Tucker is held by other top lawyers in the same geographic and legal practice area.

Kellie B. Combs is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Kellie B., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kellie B. is held by other top lawyers in the same geographic and legal practice area.

Richard’s multinational clients benefit from his extensive experience with tax planning and controversy and trust his guidance to resolve challenging transfer-pricing issues as well as to develop, implement, and defend tax-efficient cross-border structures. For more than 25 years, he has advised clients on tax matters, with a focus on transfer pricing. Richard’s international clients span multiple industries, including transportation, finance, hospitality, electronics, food and be...

Arthur (Art) Garrett is Keller and Heckman’s General Counsel and co-chair of the firm’s national litigation practice. He advises clients on insurance recovery, with an emphasis on the representation of food industry policyholders in and out of court. Art specializes in advising food companies on their liability insurance programs, including GL, D&O, E&O, Excess/Umbrella, first-party property, and specialized insurance policies, such as product contamination insurance and m...