Mr. Greenberg is a partner at Seyfarth Shaw LLP in the firm’s Washington, D.C. office. He is co-chair of the firm’s national construction practice and concentrates his practice in design and construction law. His work includes negotiating and drafting contracts setting forth the rights and responsibilities of the various parties to complex construction projects. He also counsels clients on procurement-related issues, contract administration, risk management, and dispute avoidance, and has extensive experience preparing claim documentation in support of equitable adjustments to contracts. Mr. Greenberg has successfully mediated, litigated, and arbitrated large complex, multi-party construction disputes.

Mr. Greenberg represents public and private sector owners, contractors, and design professionals in the design-build process. He has advised and educated clients on alternative project delivery systems, prepared and responded to request for proposals, drafted and negotiated design-build contracts structuring the relationships between the design-build participants, and has counseled clients on administering design-build contracts.

Mr. Greenberg has served as an arbitrator in numerous AAA cases, and is extremely active in the Design-Build Institute of America (DBIA). Mr. Greenberg is Special Legal Advisor to DBIA's Board of Directors. Mr. Greenberg took the lead in drafting DBIA’s new model contracts documents, and was the recipient of the 1998 DBIA Leadership Award for his work on the new model form documents. Mr. Greenberg has authored numerous construction law articles and lectures throughout the country on construction law topics.