Nathaniel E. Castellano

Steve Levey is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Real Estate Law. Steve, who practices law in Potomac, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steve is held by other top lawyers in the same geographic and legal practice area.

Seth Waxman is a former federal prosecutor and nationally recognized white collar criminal defense with more than two decades of experience handling high profile sensitive criminal and civil matters. Seth handles a wide array of challenging cases, ranging from the Flint water criminal investigation to complex internal investigations for Fortune 500 companies. Seth is a seasoned trial lawyer, having been lead counsel in more than sixty jury trials, thirty bench trials, and fifteen matters on a...

Thomas J. Kim is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance Law, Securities / Capital Markets Law and Securities Regulation. Thomas J., who practices law in Washington, District of Columbia, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas J. is held by other top lawyers in the same geographic and legal practice area.

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

Marcia Kuntz resumed her family law practice in 2012 at the firm of Kuder, Smollar, Friedman & Mihalik, PC after years as a legislative counsel and committee staffer on Capitol Hill and as an adviser, editor, and executive in the non-profit sector. In addition to her legal practice, Ms. Kuntz has taught Family Law as an adjunct professor at American University Washington College of Law. In April 2022, she co-founded the firm of Smollar Kuntz Locey, PLLC. Ms. Kuntz started her legal career...

Michael L. Vogelsang, Jr., is a principal at The Employment Law Group ® law firm, where he frequently handles cases that involve whistleblower retaliation, employment discrimination, wrongful termination, and other workplace claims. Since joining the firm in 2007, Mr. Vogelsang has gained extensive experience representing federal employees. He specializes in navigating the administrative labyrinth of cases across dozens of departments and agencies, such as: the Department of Defense, the ...

For more information, please visit www.gibsondunn.com/lawyer/warin-f-joseph/ .

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

Christopher Davies has more than 25 years' experience representing clients around the world in challenging circumstances. He has experience in complex civil, criminal and administrative matters, often involving crisis management. In just the past year, Mr. Davies has represented, among others: a party in the various investigations and litigation arising from the allision between the Dali and the Key Bridge; Norfolk Southern in investigations and litigation relating to the derailment in East P...

John F. Cafferky is a top attorney recognized by Best Lawyers in the practice area(s) of Education Law. John F., who practices law in Fairfax, Virginia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John F. is held by other top lawyers in the same geographic and legal practice area.