Thomas G. "Tom" Hentoff

John Sandweg is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

Richard Jones is Chair of the firm’s Intellectual Property Licensing Practice Group and handles a wide range of intellectual property matters. Over the last few years, he has led on the following issues: representation of OEM in connection with divestiture of Military related IP assets; representation of OEM (Original Equipment Manufacturer) in connection with Global Vehicle Design and Assembly Agreement; representation of a Tier 1 Automotive Supplier in Divestiture of IP Assets; prepar...

Jason R. Meltzer is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Jason R., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason R. is held by other top lawyers in the same geographic and legal practice area.

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 ...

Sean Clancy is the team leader of Nixon Peabody’s Tax practice, and a member of the firm’s Public Company Transactions team. He assists clients with a broad range of tax and business planning matters and related tax policy matters. My focus Tax Planning I advise clients on federal tax planning, including assistance in structuring mergers and acquisitions and other transactions. In addition, I counsel private equity funds on domestic and cross-border taxation and corporate finance ...

J. Mark Poerio is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. J. Mark, who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Mark is held by other top lawyers in the same geographic and legal practice area.

Johnine P. Barnes is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Johnine P., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Johnine P. is held by other top lawyers in the same geographic and legal practice area.

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

Brigen Winters counsels employers, plan administrators, financial institutions, insurers, trade associations, and coalitions on retirement, health and welfare, tax, executive compensation, regulatory, and legislative matters. Brigen helps clients achieve compliance and obtain favorable outcomes through amendments from Congress and regulatory guidance from the IRS and Departments of Treasury, Labor, and Health and Human Services. He counsels clients on all aspects of tax-qualified and individu...

Edward R. McNicholas is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Edward R., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward R. is held by other top lawyers in the same geographic and legal practice area.