James "Jim" Guinivan

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

Since cofounding Stein Sperling 40 years ago, Millard Bennett has built a robust and varied business law practice, while simultaneously growing and expanding the firm as Managing Partner into one of Montgomery County’s largest and most sought after law firms. In addition to his time tested business acumen, Millard’s intuition, empathy and meticulous attention to his clients’ individual needs has earned him a reputation as a go-to business lawyer. Beyond advising clients on b...

Maury Baskin focuses his Washington, DC-based practice on national labor policy, challenging excessive government regulation on behalf of small and large businesses, while advising employers in compliance issues. He has extensive experience in dealing with labor relations and union pressure tactics, employment discrimination and wage and hour law. He has represented a variety of industry sectors, advising clients involved in construction, government contracting, higher education, telecommunic...

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

A recognized authority on international labor standards, Stefan Marculewicz advises multi-national corporations on issues involving employer efforts to address and respond to international labor standards. He also advises multinational enterprises in connection with the following: The International Labour Organization and its Committee on Freedom of Association The Organisation for Economic Co-operation and Development The United Nations Global Compact The United Nations Guiding Principles on...

A former Assistant United States Attorney, Justin Dillon now uses his years of litigation and investigative experience to defend clients in complex, high-stakes white-collar criminal and campus discipline cases. Justin combines a meticulous approach to investigating the facts with a deep knowledge of criminal and administrative procedure to vigorously protect his clients’ futures and reputations. Justin represents people in some of the toughest situations they will ever face. He has gai...

Michael A. Robinson is the founder and Chief Executive Officer of Robinson Law, PLLC, and he brings a distinguished record of public service and litigation experience to his current role. After earning his J.D. from Regent University School of Law in 2006, he began his legal career as a prosecutor in the City of Newport News and later in Fauquier County, Virginia. In Newport News, he was assigned to the Juvenile & Domestic Relations team and prosecuted nearly 1,000 cases in Juvenile and D...

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

Douglas Hallward-Driemeier is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Douglas, who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Douglas is held by other top lawyers in the same geographic and legal practice area.

T.J. Sullivan is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. T.J., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which T.J. is held by other top lawyers in the same geographic and legal practice area.