Declan Leonard

Benjamin Kinder is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Benjamin, who practices law in Reston, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin is held by other top lawyers in the same geographic and legal practice area.

Vincent “Vince” McKnight, Jr., is the Managing Partner of Sanford Heisler Sharp’s Washington, D.C., office and Co-Chair of the firm’s Whistleblower Practice. He also represents clients in employment discrimination and wrongful discharge cases. Vince represents whistleblowers in sealed and unsealed False Claims Act/qui tam suits under investigation by the United States and other governmental stakeholders. He has achieved significant success in such cases, including the ...

Ellen K. Harrison advises clients on a broad range of tax issues, including estate planning and administration, tax controversies, and income, gift and estate tax planning for individuals, businesses and charitable organizations. She has significant experience drafting wills, trusts, powers of attorney, prenuptial arrangements and buy-sell agreements, as well as a broad range of corporate documents and family partnership agreements. Her tax controversy and litigation experience includes Inter...

Paul M. Hyman is a founding member of Hyman, Phelps & McNamara. Since opening the firm in 1980, he has led efforts to make it the premiere FDA law practice. He brings five decades of perspective to the regulatory priorities and policies of FDA and FTC. Mr. Hyman has advised clients on nearly every aspect of FDA regulation, ranging from premarket approvals, to labeling and post-market compliance, and has defended against enforcement actions such as warning letters, recalls, and court actio...

Steven A. Augustino is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Steven A., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven A. is held by other top lawyers in the same geographic and legal practice area.

Began the practice of law at the Federal Power Commission in 1974. Joined Sidley & Austin (now Sidley Austin LLP) in 1977, elected to partnership in 1981. Co-head of Energy practice, 2006- present

David A. Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. David A., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David A. is held by other top lawyers in the same geographic and legal practice area.

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

With more than 23 years of experience working with the pharmaceutical and medical device industries, Ms. Walsh brings FDA regulatory expertise to clients seeking to achieve their business objectives. She regularly counsels clients facing FDA administrative actions like inspections, warning letters, and recalls. But her passion is helping companies prevent or respond to government investigations, and she conducts internal investigations to achieve compliance and to best position her clients to...

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