Norman P. "Norm" Leventhal

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

Brian M. Buroker is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Brian M., 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 Brian M. is held by other top lawyers in the same geographic and legal practice area.

Patricia M. Weaver is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation and Mediation. Patricia M., who practices law in Bethesda, Maryland, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia M. is held by other top lawyers in the same geographic and legal practice area.

Meredith B. Halama is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law and Privacy and Data Security Law. Meredith B., 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 Meredith B. is held by other top lawyers in the same geographic and legal practice area.

Thomas A. Cawley, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Thomas A., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas A. is held by other top lawyers in the same geographic and legal practice area.

Peter J. Petesch handles a wide range of labor and employment matters, including litigation under: The Railway Labor Act The Americans With Disabilities Act The Family and Medical Leave Act Title VII The Age Discrimination in Employment Act Sarbanes-Oxley AIR 21 – the Wendell H. Ford Aviation Investment and Reform Act for the 21st Century He has successfully defended employers in individual and class-based cases before federal and state courts and agencies such as the Equal Employment O...

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.

John Callahan Hale is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. John Callahan, who practices law in Fairfax, Virginia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John Callahan is held by other top lawyers in the same geographic and legal practice area.

Vincenzo is one of the four founding partners of Rock Creek Energy Group. Vincenzo represents generation owners and developers, energy traders, private equity firms, financial institutions, and other investors on transactional, regulatory, and compliance matters involving the Federal Energy Regulatory Commission (FERC) and advises clients on the requirements of the Federal Power Act, the Public Utility Holding Company Act of 2005, and the Public Utility Regulatory Policies Act of 1978. ‍ ...

Neil Eggleston is a litigation partner in the Washington, D.C., office of Kirkland & Ellis LLP. Neil has a distinguished record of public service, and has held a number of senior government roles. He was White House Counsel to President Obama from 2014 to 2017, and advised the president on all legal and constitutional issues across a broad spectrum of domestic and foreign policy matters. Neil’s practice focuses on enforcement defense including at the U.S. Department of Justice (DOJ)...