Sean C. Griffin

Sheraz Barkat is a Washington, D.C. attorney with Barkat Law Firm whose practice focuses on helping individuals and families address complex legal and personal matters with practical guidance and clear communication. He works with clients facing emotionally challenging situations and strives to develop thoughtful solutions tailored to their goals and long-term interests. Mr. Barkat represents clients in a wide range of matters involving Family Law , Collaborative Law: Family Law, Family Law M...

Ken Silverberg is an experienced tax attorney and former CPA-partner at Arthur Andersen & Co. He focuses on tax controversies, including tax audits, appeals and litigation against the IRS and state departments of taxation. He also represents numerous nonprofit organizations and NGOs in the health care, education and trade association sectors. What do you focus on? Tax Controversy Practice I help clients resolve their IRS and state tax problems as quickly and inexpensively as possible. Mos...

William C. Sjoberg is a lawyer recognized by Best Lawyers in the practice area of International Trade and Finance Law. William C. practices law in Washington, District of Columbia Best Lawyers has recognized William C. Sjoberg since 2026. 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 William C. Sjoberg is held by other lawyers.

Andre Owens’ practice focuses on securities trading and markets activities. He counsels broker-dealers, securities exchanges, investment advisers and other clients on a variety of regulatory issues under the rules of the SEC, FINRA and various securities exchanges, including Regulation NMS; Regulation ATS; short sale regulation; sales practice rules, automated trading and risk controls and order handling matters. Mr. Owens also provides advice with respect to acquisitions of securities ...

RJ Hamilton is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. RJ practices law in Washington, District of Columbia Best Lawyers has recognized RJ Hamilton 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 RJ Hamilton is held by other lawyers.

Though divorce can be one of life’s most distressing events, by building relationships, cultivating trust and creating solutions, Sarah Zimmerman helps clients achieve the best outcome possible while attempting to minimize the financial and emotional impact of divorce. Sarah excels in guiding clients through complex financial and custody issues, and serves a wide range of individuals including high-asset clients and working or stay-at-home spouses who are financially dependent. Sarah's ...

Jessica Westerman is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Individuals and Litigation - Labor and Employment. Jessica practices law in Washington, District of Columbia Best Lawyers has recognized Jessica Westerman 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 Jessica Westerman is held by other lawyers.

Brian has been a divorce attorney in Northern Virginia since 1985. He is also certified by the Virginia Supreme Court as a family law mediator. He is listed in "Best Lawyers in America", Washingtonian and Northern Virginia magazine's Top Divorce Lawyers and Virginia Business magazine's "Legal Elite," as both a lawyer and mediator. He is a Commissioner in Chancery as well as a Neutral Case Evaluator for Fairfax County Circuit Court. Brian served on the Virginia State Bar's Fifth District Disci...

Joshua H. Soven is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher, LLP. Mr. Soven’s practice focuses on government antitrust investigations, antitrust litigation, and counseling on competition issues. He regularly represents clients before the Antitrust Division of the Department of Justice and the Federal Trade Commission, and in the federal courts. Mr. Soven has served in high-level positions at both U.S. antitrust agencies. Mr. Soven was Chief of the Litigati...

Mark J. Plumer is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Mark J. practices law in Washington, District of Columbia Best Lawyers has recognized Mark J. Plumer 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 Mark J. Plumer is held by other lawyers.