William T. "Bill" Mathias

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 ...

Bob Wellen, a partner of the firm, has practiced tax law for nearly 35 years. His practice involves planning, structuring and negotiating business transactions and representing taxpayers seeking private letter rulings from IRS and tax policy determinations from IRS and the Treasury Department and in controversies with IRS. He also serves as an arbitrator and as an expert witness in commercial disputes involving tax issues. Bob grew up in Jersey City, New Jersey. He graduated from Yale College...

Since joining Regan Zambri Long in 2013, attorney Chris Regan has served as a creative and dedicated advocate for injured clients. In that time, he has built a strong track record of outstanding results for his clients, including numerous seven- and eight-figure verdicts and settlements. He has successfully handled cases involving car crashes (including the leading local case on Uber’s and Lyft’s responsibility when their drivers are at fault), defectively unsafe product design, M...

DC and VA family law attorney Daniel Schy Dan Schy is a highly regarded family law attorney known for his dedication to clients and zealous advocacy in the courtroom. With nearly 20 years exclusively focusing on family law, he helps families navigate divorce , custody , spousal and child support, and domestic violence cases. Dan has a proven record of success in handling complex cases, especially those involving high-net-worth individuals , intricate property division and contested child cust...

Mr. Fox is the managing partner of Ivins, Phillips & Barker. He was named in 2012 by the Washingtonian Magazine for the fourth straight year as one of the outstanding tax lawyers in Washington, D.C., in the Washington Post Magazine's list of Super Lawyers for the third straight year, and has been named in Best Lawyers in America in each of the last ten consecutive years. Although, during his 47 years with the firm, Mr. Fox devoted a substantial portion of his activities to international a...

Cathy Burgess leads the firm’s FDA Compliance and Enforcement Team and FDA practice. FDA-regulated entities benefit from Cathy's common-sense advice for achieving business objectives that avoid compliance and enforcement risks. With more than 30 years of extensive experience in the areas of CGMP regulation and product risk management, she provides strategic counseling and works with clients to identify and address potential risks throughout the product life cycle. Cathy advises clients ...

Kara M. Ariail is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Kara M., who practices law in Tysons, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kara M. is held by other top lawyers in the same geographic and legal practice area.

Stephanie Holland is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Stephanie, who practices law in Tysons, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephanie is held by other top lawyers in the same geographic and legal practice area.

Manesh Rath is a trial and appellate attorney with experience in general commercial litigation, food litigation, wage and hour and class action litigation, occupational safety and health law, association law, accessibility, and labor law. Mr. Rath has been the lead amicus counsel on several cases before the U.S. Supreme Court, including Staub v. Proctor Hospital and Vance v. Ball State University . Mr. Rath is a co-author of three books in the fields of OSHA law, wage and hour law, and labor ...

Anessa Abrams is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Anessa, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anessa is held by other top lawyers in the same geographic and legal practice area.