Scott Fireison

Maria Glinsmann leads the Nonimmigrant Visa Practice in the law firm of Glinsmann & Glinsmann, Chartered. Her practice is focused exclusively on U.S. Immigration, citizenship and consular issues. Many leading technology and service companies seek Maria’s immigration experience. They value her understanding of business practices to ensure their staffing objectives. She helps industry leaders, scientists and innovators to achieve extraordinary ability, national interest and outstandin...

For more information, please visit www.gibsondunn.com/lawyer/diamant-michael/ .

Philip Baker-Shenk is a partner in our firm's Indian Law Practice Group and our Entertainment Law Practice Group. He provides legal and policy representation to dozens of Native American Indian Tribal governments as well as Tribal organizations and companies doing business with Indian Tribes. Mr. Baker-Shenk began working on behalf of Indian Tribes in our Nation's capital in 1976. For half a decade, he served as staff in the U.S. Senate, including two years as Majority General Counsel to Indi...

Marcus Owens represents a broad range of nonprofit organizations, including private foundations, charities, lobbying/political organizations and trade associations. The context has ranged from tax planning, the process of formation and application for exemption, through IRS and state attorney general investigations, including complex audits by IRS Exempt Organizations Financial Investigative Units. Marcus’ focus includes executive compensation, excess benefit and self-dealing excise tax...

Susan E. Seabrook is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Susan E., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Susan E. is held by other top lawyers in the same geographic and legal practice area.

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.

Dennis J. Quinn is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law. Dennis J., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dennis J. is held by other top lawyers in the same geographic and legal practice area.

Chair of Stein Sperling’s nationally regarded tax law group, David De Jong is a recognized and highly sought industry authority with more than 40 years of experience. Raised in Montgomery County, David always intended to practice law in his “home town”. He has been instrumental in maintaining Stein Sperling’s collegial, small-firm feel while helping its tax department grow into a regional powerhouse. David has a gift for putting himself in his clients’ shoes to g...

Jonathan C. Drimmer is a partner in the firm's Washington, D.C., office, where he resolves anti-corruption, business and human rights and other complex cross-border challenges with the benefit of having sat in every chair at the table: senior legal officer for a global 500 company, federal prosecutor, and seasoned advocate. He is a frequent speaker, author, and commentator on issues related to anti-corruption and business and human rights, and represents and advises companies, individuals, mu...

Swain Wood, formerly the first assistant attorney general of North Carolina and general counsel to Attorney General Josh Stein, serves as co-chair of the firm’s State Attorneys General Practice. While serving in government, he was one of the most highly regarded leaders in the state attorney general community nationally and is a proven problem-solver in private practice, working closely with clients to successfully anticipate, navigate and resolve complex legal disputes.