Dave Thomas

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.

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

Brian Nixon’s practice spans advertising, technology, emerging media and privacy, with particular focus on clients implementing targeted advertising strategies and other data-driven marketing initiatives across various media channels. He provides forward-thinking counsel to clients ranging from startups (including social media platforms and emerging media ventures) to Fortune 500 companies. He advises organizations of all sizes on data optimization, mobile commerce, Telephone Consumer P...

Jonathan R. Mook is a nationally recognized expert in employment law, particularly the Americans with Disabilities Act. He is an author of two Matthew Bender treatises on the Americans with Disabilities Act, the “Americans with Disabilities Act: Employee Rights and Employer Obligations” and “Americans with Disabilities Act: Public Accommodations and Commercial Facilities.” He is an editor for the Virginia Employment Law Letter and a member of the editorial board for th...

Marcus Owens represents a broad range of nonprofit organizations, including private foundations, charities, lobbying/political organizations and trade associations. The context has ranged from tax planning, the process of formation and application for exemption, through IRS and state attorney general investigations, including complex audits by IRS Exempt Organizations Financial Investigative Units. Marcus’ focus includes executive compensation, excess benefit and self-dealing excise tax...

Sarah E. Mancinelli is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Sarah E., 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 Sarah E. is held by other top lawyers in the same geographic and legal practice area.

Alan B. Croft is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Personal Injury Litigation - Plaintiffs. Alan B., who practices law in Leesburg, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alan B. is held by other top lawyers in the same geographic and legal practice area.

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

Sean Clancy is the team leader of Nixon Peabody’s Tax practice, and a member of the firm’s Public Company Transactions team. He assists clients with a broad range of tax and business planning matters and related tax policy matters. My focus Tax Planning I advise clients on federal tax planning, including assistance in structuring mergers and acquisitions and other transactions. In addition, I counsel private equity funds on domestic and cross-border taxation and corporate finance ...

Paul J. Kiernan is a trial lawyer and appellate who focuses on administrative-agency litigation, real-estate disputes, corporate-governance litigation and local government law. He represents businesses, developers, institutions, lenders, hotels, landlords, and tenants on land use, condemnation, development and property-management disputes and matters involving distressed real estate. Mr. Kiernan has substantial experience in general commercial litigation, commercial and international arbitrat...