Christina M. "Chris" Markus

Sara M. Donohue is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Sara M., who practices law in Rockville, Maryland, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sara M. is held by other top lawyers in the same geographic and legal practice area.

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.

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

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

Joe Creech, Chair of Greenberg Traurig’s D.C. Metropolitan Real Estate Practice, guides clients through the full life cycle of commercial real estate transactions, including acquisitions, development, financing, leasing, and dispositions. He represents real estate investment trusts, institutional lenders, commercial developers, real estate advisors, investors, and property owners in deals across major U.S. markets. Joe has led negotiations on transactions involving every major property ...

Michael L. Sibarium is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Michael 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 Michael L. is held by other top lawyers in the same geographic and legal practice area.

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

Harry L. Gutman is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice and Tax Law. Harry L., who practices law in Washington, District of Columbia, has been recognized since 1997. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harry L. is held by other top lawyers in the same geographic and legal practice area.

During his more than 30 years of practice, Mr. Jaffe has focused on dispute resolution internationally in arbitrations under various international arbitral regimes and domestically in court and arbitration proceedings. A significant part of his work has involved representing owners, contractors and other stakeholders in projects ranging from infrastructure and energy facilities to sports stadiums and a wide variety of commercial structures. He has acted as counsel in numerous international an...

Personal injury lawyer Joseph Cammarata is a dual board-certified civil trial attorney, nationally known for his tenacity and perseverance in zealously representing clients in all stages of litigation. Mr. Cammarata's practice is concentrated in the areas of serious personal injury, brain injury, wrongful death and medical malpractice. He also successfully champions the rights of victims of discrimination and civil rights abuses. He has litigated against insurance companies, governmental enti...