D. Jarrett Arp

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

Jay E. Silberg is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Jay E., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jay E. is held by other top lawyers in the same geographic and legal practice area.

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

M. Kendall Day is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. M. Kendall, 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 M. Kendall is held by other top lawyers in the same geographic and legal practice area.

Avi Kumin is a founder and partner at Katz Banks Kumin. For over 20 years, Mr. Kumin has been successfully advising employees about their legal rights, resolving difficult situations with employers, and litigating employment claims in court. Mr. Kumin’s practice focuses on whistleblower protection, sexual harassment and assault, executive negotiations, contractual disputes, discrimination, and retaliation, among other areas of employment law, often in highly complex and contentious situ...

James P. Durling is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. James P., 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 James P. is held by other top lawyers in the same geographic and legal practice area.

Robert K. Kry is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Robert K., 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 Robert K. is held by other top lawyers in the same geographic and legal practice area.

Neil L. Levy focuses his practice on energy-related regulatory and transactional matters. He represents independent power producers, electric power and natural gas marketers, merchant transmission developers, interstate pipelines and local distribution companies before the Federal Energy Regulatory Commission (FERC), state public utility commissions and the courts of appeal. Neil regularly represents private equity clients in merger and acquisition transactions in the energy sector. He also f...

Joanne Jacobson is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Joanne, 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 Joanne is held by other top lawyers in the same geographic and legal practice area.

The cornerstone of Jimmy’s practice is to help people by solving their problems and contributing to their growth and success. His 50 years of legal experience is complemented by an in-depth background in finance, including a number of years working for the IRS as a Revenue Agent and Tax Law Specialist, as well as several years as an investment banker at Legg Mason. With a commitment that the client’s interests always come first, Jimmy takes ownership of and responsibility for thei...