Margaret M. Witherup

Judyann M. Lee is a top attorney recognized by Best Lawyers in the practice area(s) of Community Association Law and Real Estate Law. Judyann M., who practices law in Potomac, Maryland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Judyann M. is held by other top lawyers in the same geographic and legal practice area.

Deborah B. Baum is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Land Use and Zoning, Litigation - Real Estate and Litigation - Trusts and Estates. Deborah B., 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 Deborah B. is held by other top lawyers in the same geographic and legal practice area.

Ivan Schlager is an international trade and national security partner in the Washington, D.C., office of Kirkland & Ellis LLP. Ivan provides counsel on structuring, negotiating and documenting transactions to address regulatory issues, including approval by the Committee on Foreign Investment in the United States (CFIUS). He represents a diverse group of clients ranging from defense companies, major telecommunications providers, and media and technology companies to private equity firms a...

Matt Kaiser is the founding partner at KaiserDillon PLLC. He represents individual and small business clients in commercial litigation , government investigations , and white-collar cases . Before starting KaiserDillon PLLC, Matt worked at some of the best litigation firms in the country - Williams & Connolly and Zuckerman Spaeder. He also worked in the Maryland Federal Public Defender's Office and clerked for United States District Judge Catherine C. Blake. Matt is an adjunct professor o...

For more information, please visit www.gibsondunn.com/lawyer/warin-f-joseph/ .

Amy Jeffress is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Amy, 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 Amy is held by other top lawyers in the same geographic and legal practice area.

Larry has significant experience in government contract consultation and litigation. His practice sees him handling significant bid protests before the U.S. Government Accountability Office (GAO) and the Court of Federal Claims, as well as internal investigations. Clients commend Larry’s “excellent command of government protest law and strategy” ( Chambers USA ) and how he “excels in litigation of government contracts and due diligence in the context of M&A” ...

Chris Burke has over 20 years of experience litigating construction disputes both domestically and internationally. Chris has tried multiple disputes through final award, with amounts in dispute of over US$1 billion. Chris represents clients in state and federal courts and in arbitration proceedings, and has considerable experience with international dispute resolution. Chris represents owners, general contractors, construction managers, and subcontractors through the various stages of disput...

Michael S. McNamara is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Michael S., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael S. is held by other top lawyers in the same geographic and legal practice area.

Eric Core, an attorney with Lerch, Early & Brewer, co-chairs the firm's Estate Planning & Probate group. Widely respected for his extensive knowledge of estate and tax law, Eric has been helping people with estate plans and trust and estate administration for more than 30 years. Eric works closely with personal representatives and trustees on all aspects of estate and trust administration to ensure they fulfill their fiduciary responsibilities. Eric also has an extensive background in...