Jonathan L. Diesenhaus

Mark R. Rosman is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark R., 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 Mark R. is held by other top lawyers in the same geographic and legal practice area.

Carmine R. Zarlenga is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Carmine R., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carmine R. is held by other top lawyers in the same geographic and legal practice area.

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

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

Franca Harris Gutierrez is Chair of the Financial Institutions Practice. She leads one of the country’s preeminent banking and financial services practices from the firm’s Washington DC office, where she advises domestic and international banks, mortgage servicers, student loan servicers, consumer lending companies and emerging financial services providers on complex regulatory, enforcement and transactional issues. Ms. Harris Gutierrez is an active member of the firm’s Cons...

Jim Coleman has forty years of experience in counseling employers on wage and hour matters, as well as defending employers in wage and hour litigation and administrative proceedings. His expertise includes in-depth knowledge of the Fair Labor Standards Act (FLSA), and many comparable state wage and hour laws. Jim served as General Counsel for the National Council of Chain Restaurants for two decades, and through his representation of the trade association, as well as many of its member compan...

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...

Barry Boss is co-chair of Cozen O’Connor’s Criminal Defense & Internal Investigations practice group, vice chair of the Commercial Litigation Department and office managing partner of the D.C. office. Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. Barry focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court. Barry has extensive jury tria...

Todd is recognized by clients, the judiciary, elected officials, regulatory staff, and his peers for his high ethical standards, his detailed knowledge of land use regulations, and for delivery of successful results in a timely, predictable manner. His clients include commercial, residential and mixed-use real estate developers and builders, private schools and other not-for-profit organizations, and individual and business clients seeking to preserve and enhance the value of real estate asse...

For more information, please visit www.gibsondunn.com/lawyer/walker-helgi-c/ .