Ari N. Sommer

Gregory Doran is the leader of the firm’s Community Development Finance practice and one of the nation’s leading authorities on community development finance. He helps investors, lenders and borrowers employ federal and state tax incentives to promote development in underserved markets. Greg primarily works with federal and state new markets tax credit (NMTC) and historic preservation programs. He learned his craft working in the IRS Office of Chief Counsel, where he helped develo...

Kirk Niemi is an experienced construction industry attorney who focuses his practice on construction litigation, government contracts, surety, and associated contract issues. He represents owners, general contractors, subcontractors, sureties and government agencies including highway departments and municipalities. He has extensive experience in complex matters before courts, arbitrators and mediators regarding various construction issues including mechanics' liens, acceleration claims, chang...

Adam Biegel leads Alston & Bird’s Washington, D.C., antitrust practice team. He has substantial experience representing clients on antitrust counseling and litigation matters, including those involving government and internal investigations, mergers and joint ventures, pricing and distribution practices, compliance counseling and training, multidistrict litigation and pre-merger reviews under the Hart-Scott-Rodino Act, particularly in the health care, manufacturing, financial servic...

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...

Lillian Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance Law. Lillian, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lillian is held by other top lawyers in the same geographic and legal practice area.

Jennifer A. Davidson is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Jennifer A., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer A. is held by other top lawyers in the same geographic and legal practice area.

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

For more information, please visit www.gibsondunn.com/lawyer/diamant-michael/ .

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...

Alan Winston Granwell is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Alan Winston, who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alan Winston is held by other top lawyers in the same geographic and legal practice area.