William C. MacLeod

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

David A. Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. David A., 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 David A. is held by other top lawyers in the same geographic and legal practice area.

Michael D. Bopp is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Michael D., 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 Michael D. is held by other top lawyers in the same geographic and legal practice area.

Began the practice of law at the Federal Power Commission in 1974. Joined Sidley & Austin (now Sidley Austin LLP) in 1977, elected to partnership in 1981. Co-head of Energy practice, 2006- present

Ronald Machen, a member of the firm's global Management Committee and Chair of the Firm’s Litigation and Controversy Department is one of the nation's leading trial and white-collar defense lawyers. His practice focuses on government enforcement, corporate and congressional investigations, and litigating civil business disputes. An experienced litigator who has tried more than 35 cases to verdict, Mr. Machen specializes in litigating complex criminal and civil actions. He also routinely...

Timothy J. Jessell is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Timothy J., who practices law in McLean, Virginia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy J. is held by other top lawyers in the same geographic and legal practice area.

Timothy J. V. Walsh is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Timothy J. V., 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 Timothy J. V. is held by other top lawyers in the same geographic and legal practice area.

Gregory McGillivary is the managing partner of McGillivary Steele Elkin LLP. He has over 30 years of experience litigating, arbitrating, settling, and most importantly, winning multi-million-dollar cases on behalf of unions and individual workers who have been wrongly denied pay and benefits. He has represented tens of thousands of workers in a multitude of industries in both the public and private sector through all levels of the judiciary system and in arbitration. In addition to litigation...

Carmen Irizarry-Diaz is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Carmen, who practices law in McLean, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carmen is held by other top lawyers in the same geographic and legal practice area.

Abbe David Lowell is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Abbe David, who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Abbe David is held by other top lawyers in the same geographic and legal practice area.