David Marvin

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

David G. Barger focuses his practice on white collar criminal defense, government investigations, including Foreign Corrupt Practices Act (FCPA) investigations, corporate compliance, including FCPA compliance, criminal and civil tax controversies, and complex commercial litigation. His practice includes representing companies and individuals in civil and criminal government investigations, often involving government contract issues; and handling complex civil litigation in both state and fede...

Colleen Coveney, a Partner at Katz Banks Kumin, joined the firm in 2012. Ms. Coveney represents clients in a range of civil rights and discrimination matters under federal and state anti-discrimination statutes including Title VII of the Civil Rights Act of 1964, the Pregnancy Discrimination Act of 1978, Title IX of the Education Amendments of 1972, and corresponding state laws. Ms. Coveney also represents whistleblowers in unlawful retaliation cases, as well as individuals submitting tips to...

Mr. Scheineson is a partner in the Washington, D.C., office, where he heads the firm’s Food and Drug Law Practice. He advises companies on a wide range of issues, including product approvals, marketing, clinical studies and enforcement. Previously, he served as the associate commissioner for legislative affairs of the Food and Drug Administration. He was involved there in many agency innovations, including prescription drug user fees, debarment, medical device amendments and nutritional...

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...

Carolyn E. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Carolyn E., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carolyn E. is held by other top lawyers in the same geographic and legal practice area.

Sarah C. Aviles is a top attorney recognized by Best Lawyers in the practice area(s) of Elder Law, Litigation - Trusts and Estates and Trusts and Estates. Sarah C., who practices law in Fairfax, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah C. is held by other top lawyers in the same geographic and legal practice area.

Having practiced energy law for over twenty-nine years, Wendy has been consistently recognized by Chambers USA as a leader in the field, describing her as “almost superhuman when it comes to managing a diverse group into a consistent regulatory position” in their 2010 rankings. In 2021, Chambers noted, “Wendy provides wise guidance on how best to address legal requirements in a manner that is both convincing and understandable” and also commended her “great leade...

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

Heidi builds on her previous experience at the Office of Counsel to the Inspector General of the Department of Health and Human Services to assist clients with health care regulatory, compliance, and fraud and abuse matters. Heidi previously served as chief of the Administrative and Civil Remedies Branch in the Office of Counsel to the Inspector General (OCIG) at the Department Health and Human Services. Heidi served as the OCIG’s coordinator for both the Provider Self-Disclosure Protoc...