Mark A. Perry

David Sanford is the Chairman and co-founder of Sanford Heisler Sharp LLP. He has recovered more than one billion dollars for individual clients and the United States government since 2004. David represents C-suite executives and non-managerial hourly employees throughout the US. He has served as lead counsel in more than 50 class actions and numerous qui tam cases around the country and represented more than 100 general counsel and attorneys (in-house and outside counsel) in contract dispute...

As a native of Northern Virginia, I have focused my practice on contested divorce, including matters of fault, property division, alimony, and custody/visitation. My persuasive style has been well-received in courtrooms throughout Virginia, Maryland and the District of Columbia. My clients have included c-level employees of local and national corporations, senior executive level employees of the federal government, business owners of all sorts, and stay-at-home moms and dads. I have represent...

Matthew F. Nieman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Matthew F., who practices law in Reston, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew F. 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...

Mr. Cassidy focuses on legal issues raised by cross-border business transactions, including antidumping and countervailing duty proceedings, economic sanctions, export controls and customs issues. He is experienced in devising strategies for using trade law procedures, such as the antidumping laws, to achieve business objectives and in resolving disputes between companies and the US government arising from sanctions, export controls and customs laws. Mr. Cassidy served as General Counsel of t...

Jane C. Horvath is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Jane C., 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 Jane C. is held by other top lawyers in the same geographic and legal practice area.

Roy Shannon is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law, Litigation - Land Use and Zoning, Litigation - Real Estate and Real Estate Law. Roy, who practices law in Alexandria, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roy is held by other top lawyers in the same geographic and legal practice area.

Lawrence J. McClafferty is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Lawrence J., who practices law in Leesburg, Virginia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lawrence J. 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:...

Michele C. Bosch is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Michele C., 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 Michele C. is held by other top lawyers in the same geographic and legal practice area.