David S. Greenberg

F. Michael Willis is a lawyer recognized by Best Lawyers in the practice area of Native American Law. F. Michael practices law in Washington, District of Columbia Best Lawyers has recognized F. Michael Willis since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which F. Michael Willis is held by other lawyers.

Jonathan G. Hardin is a lawyer recognized by Best Lawyers in the practice area of Litigation - Insurance. Jonathan G. practices law in Washington, District of Columbia Best Lawyers has recognized Jonathan G. Hardin since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jonathan G. Hardin is held by other lawyers.

Katie Townsend is a lawyer recognized by Best Lawyers in the practice area of Media Law. Katie practices law in Washington, District of Columbia Best Lawyers has recognized Katie Townsend since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Katie Townsend is held by other lawyers.

Having tried numerous high-profile fraud and corruption cases as a veteran prosecutor for the DOJ’s Criminal Division, Edward (Ted) Kang brings a thorough understanding of white collar defense and compliance to clients under investigation by federal agencies. He applies a pragmatic, business-oriented approach to the challenging issues that his clients confront in an increasingly complex regulatory environment. Ted is the co-leader of Alston & Bird’s White Collar, Government &a...

Marc Fiedler is a lawyer recognized by Best Lawyers in the practice areas of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Marc practices law in Washington, District of Columbia Best Lawyers has recognized Marc Fiedler since 2011. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marc Fiedler is held by other lawyers.

Ms. Houghton is a nationally recognized expert whose practice focuses on state and local tax planning, tax controversies and unclaimed property/escheat matters. She leads the Alston & Bird SALT practice. She previously served as general counsel to the Council On State Taxation (COST), where she filed U.S. Supreme Court briefs in cases impacting state taxation of multistate commerce and led a tax policy initiative addressing taxation of Internet transactions. Ms. Houghton has represented c...

Paul J. Kennedy is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Paul J. practices law in Washington, District of Columbia Best Lawyers has recognized Paul J. Kennedy since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Paul J. Kennedy is held by other lawyers.

Alexander H. Xanttopoulos is a principal attorney with Roop, Xanttopoulos, Babounakis. He joined the predecessor firm in Fall 2010, to focus primarily on family law. He works in cases involving divorce, child custody, support, visitation and equitable distribution. Prior to joining Roop Law, Alex worked for several years for Greenspun, Shapiro, Davis and Leary P.C. as an associate practicing in the areas of domestic relations, traffic, criminal defense and civil litigation. He also has experi...

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:...

R. Peyton Mahaffey is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Trusts and Estates and Personal Injury Litigation - Plaintiffs. R. Peyton practices law in Fairfax, Virginia Best Lawyers has recognized R. Peyton Mahaffey since 2011. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which R. Peyton Mahaffey is held by other lawyers.