William Estes

Of Counsel
New York

Bill Estes focuses on large-scale alternative project delivery, including design-build and public-private partnerships (P3/PPP), and counsels on all stages of infrastructure development and construction. He brings to every engagement his insight gained as chief counsel to two project owners.

During more than 20 years of experience in both the public and private sectors, Bill has worked on transactional, litigation, legislative, and policy matters for alternative project delivery and conventional infrastructure projects in the transportation, social infrastructure, renewable energy, broadband/telecommunications, and water/wastewater sectors. His clients include public entities/owners, private concessionaires/contractors, and financing parties in the procurement, negotiation, financing, and administration of P3 and infrastructure projects.


Representative Matters

  • Represented the Pennsylvania Department of Transportation in connection with the Major Bridges P3 Initiative for the reconstruction and rehabilitation of nine major bridges through a pre-development agreement / DBFM.
  • Counsel to Stony Brook University in connection with its DBFOM proposal for a climate solutions center on Governors Island in the New York City harbor.
  • Represented an advisory team in connection with a DBFOM TransitGrid Microgrid procurement for a resiliency project.

Professional Highlights

Pro Bono Experience

As part of his pro bono practice, Bill has provided corporate legal advice to a not-for-profit supporting members of the U.S. Armed Forces.

Professional Activities

Member, Committee on Contract Law, The Transportation Research Board (TRB) of the National Academies of Sciences, Engineering & Medicine, 2016-2018

Member, Transportation and Construction Law Committees, Association of the Bar of the City of New York, 2016-2018

Recognition & Accomplishments

New York Law Journal 2014 Outstanding Legal Department Award, New York Thruway Authority and Canal Corporation

Speaking Engagements

Panelist, “Multiple Benefits and Risks – Legal Issues Within a Design Build Process,” Professional Women in Construction, Professional Development and Advisory Council Presentation (NYC), 2022

Speaker, “Licensing, Commercialization and Technology Transfer (T2) of Transportation Innovations,” Transportation Research Board’s (TRB) 56th Annual Workshop on Transportation Law, 2017

Speaker, “Renewable Energy Infrastructure Issues for Counties,” 2017 Annual Meeting of the County Attorneys’ Association of the State of New York (CAASNY)



Emory University School of Law (J.D. 1997)

Northwestern University (B.A. 1993)



New Jersey

New York

U.S. District Court for the District of New Jersey

U.S. District Court for the Southern and Eastern District of New York