Antonio J. Rivera

Brian Ashin is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Brian, 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 Brian is held by other top lawyers in the same geographic and legal practice area.

Jack S. Barufka is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jack S., who practices law in Tysons, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jack S. is held by other top lawyers in the same geographic and legal practice area.

Jaime A. Santos is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA. Jaime A., 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 Jaime A. is held by other top lawyers in the same geographic and legal practice area.

Natanya is a highly respected wealth planning attorney who appreciates the sensitive and technical nature of her practice. A specialist in estate planning and charitable matters, she places a high priority on understanding her clients’ concerns and goals at a holistic level, so her legal work meets each client’s unique needs. Natanya approaches every estate planning engagement with empathy, honesty and pragmatism. She communicates in a way that her clients understand, and ensures ...

Gretchyn G. Meinken is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Gretchyn G., who practices law in Alexandria, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gretchyn G. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey N. Gibbs joined Hyman, Phelps & McNamara in 1990. Over the course of his career, he has developed an extensive knowledge of FDA law, from product approvals to advertising and promotion, and enforcement actions. In recent years, Mr. Gibbs has focused primarily on advising medical device and IVD companies, as well as pharmacies. Based on his extensive experience working with the industry on FDA issues, and previously for FDA, he provides efficient and insightful guidance. He has wor...

A former federal prosecutor with extensive trial and appellate experience, Greg Marshall represents companies and individuals defending government enforcement, white-collar criminal, and civil litigation matters. Greg also conducts internal investigations and advises clients on compliance issues. He has assisted clients in the financial services, healthcare, government contracting, technology, export, and education sectors. Greg has defended investigations and cases involving the False Claims...

David M. Gossett is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. David M., who practices law in Washington, District of Columbia, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David M. is held by other top lawyers in the same geographic and legal practice area.

Randall Rich is the partner-in-charge of the Washington, DC office. Throughout his over 40 years of experience, beginning in the Office of General Counsel of the Federal Energy Regulatory Commission (FERC) and continuing for more than 23 years at the DC office of a large Texas law firm, Randy always strives to form close personal bonds with clients as well as trusting relationships with both regulators and his colleagues in the energy bar. He gains an intimate understanding of the business an...

Robert M. Kurucza is a partner in Seward & Kissel’s Investment Management practice. He is recognized as one of the country’s leading legal advisors in the financial services industry. He has represented major financial services companies, including banks, asset management firms, mutual fund complexes, trust companies, private wealth management firms and securities firms, in connection with a variety of regulatory matters and transactions, as well as litigation and compliance i...