April Sunyoung Park

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...

Howard L. Nelson is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. Howard L., 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 Howard L. is held by other top lawyers in the same geographic and legal practice area.

With a distinctive background and a rare competitive fire, David Roop has for more than a decade been one of Virginia's top family law attorneys. According to his peers, Roop is both a sophisticated thinker and a scrappy lawyer, a unique and useful mix for his contentious profession. David has a deeply strategic orientation along with a cheerful yet hard-driving disposition. David is a Baltimore native and graduate of Notre Dame University, Notre Dame, Indiana (BA, cum laude, 1985) and the Un...

Sally Buckman serves as the Manager of Lerman Senter. She specializes in regulatory and business issues facing companies in the media industry . Sally has represented clients involved in all facets of media, including large publicly traded broadcast companies, group owners, large and small family-owned media companies, a national radio network, investment companies, lenders, and on-air talent. Sally has extensive experience in handling transactions and complex agreements for media companies. ...

Benton S. Duffett III is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Benton S., who practices law in Reston, Virginia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benton S. is held by other top lawyers in the same geographic and legal practice area.

Marc Fiedler is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Marc, who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc is held by other top lawyers in the same geographic and legal practice area.

Paul Oosterhuis is a senior international tax partner representing clients on a wide range of international and U.S. tax matters. Mr. Oosterhuis has extensive experience in international mergers and acquisitions, post-acquisition integration transactions, spin-offs, internal restructurings and joint venture transactions. He also represents multinational companies in nontransactional international tax planning and IRS controversy matters. In recent transactions, Mr. Oosterhuis has represented:...

John P. Dedon is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. John P., who practices law in Fairfax, Virginia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John P. is held by other top lawyers in the same geographic and legal practice area.

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

Glenn M. Cooper is the chair and senior member of the firm’s Litigation and Family Law practices. He frequently appears before federal and state courts at both the trial and appellate levels, and before arbitration panels and professional disciplinary boards. The majority of his practice is devoted to complex business, financial, commercial and domestic litigation involving significant business issues. A number of Mr. Cooper’s cases have helped shape the current state of the law i...