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Todd Mayo

Todd Mayo


Todd Mayo has nearly 25 years of experience in the construction industry including expert testimony, management positions on megaprojects and as an executive at a large union trade subcontractor.  His experience spans numerous sectors including high-rise, rail, highway, bridge, tunnel, residential and interiors construction. He has substantial experience in construction management, contract and commercial management, operations, and scheduling, as well as claims and disputes for troubled projects on behalf of both owners and contractors.


Columbia University, M.S., Construction Administration

Brooklyn Law School, J.D.

Worcester State University, B.S., Economics, Minor in Political Science

Professional Affiliations

Lecturer – Columbia University, Masters in Construction Administration Program, Elementals of Construction Management

Program Curriculum Committee – Columbia University Construction Administration Master of Science Program

American Society of Civil Engineers

Construction Management Association of America

Select Publications

Mayo, Todd. “Helpful Tips for Electronic Document Management in Construction Litigation,” Findlaw.com, Construction Claims Online; CMM Newsletter; Lorman Construction Newsletter; and lnformLegal.com; cited: The Practice of eDiscovery in Canadian Construction Disputes.

Select Speaking Engagements

“ABA Forum on Construction Law Trial Academy,” American Bar Association, Dallas, TX, March 2023.

“Analysis, Resolution and Prevention of Complex Construction Disputes,” Risk Management in Underground Construction Conference, Denver, CO, March 2023.

“Overview of Industry Guidelines: Methodologies for Quantifying Loss of Productivity”, Columbus Bar Association, Construction Law Committee Meeting, Webinar, October 2022.

“Tactics for Negotiating Successful Contracts”, Professional Women in Construction’s Professional Development Advisory Council (PDAC) Panel and Workshop, New York, NY, November 2019.

“Construction Claims and Dispute Resolution”, University of Fortaleza Executive Training, New York, NY, August 2019.

“Delay, Disruption and Acceleration on Construction Projects”, Allied World Construction Symposium, Bermuda, May 2019.

“Construction at The World Trade Center and Other Large Construction Projects”, New York County Lawyer’s Association, New York, NY, June 2013.

“Managing Construction Projects”, Lorman Educational Services, Boston, MA, September 2009.

Select Testimony

34 Prince Equities LLC, v. Tetra Tech Engineers P.C. d/b/a Cosentini Associates, (Case No. 01-21-0000-3179) American Arbitration Association.

CTA I, LLC v. Department of Veterans Affairs, (CBCA 5826, 6861, 6897) Hunter Holmes McGuire VA Medical Center, United States Civilian Board of Contract Appeals.

44 White Plains LLC v. EJH Construction Inc., (Case No. 01-18-0003-5895) American Arbitration Association.

Connecticut Department of Transportation vs. O&G Industries, Inc., I-95 Bridgeport, Green Project, American Arbitration Association, Connecticut.

Project Highlights

Subway Extension Project, Phase 1 – Represented the design joint venture on the time impact portion of Metropolitan Transit Authority’s $60 million errors and omissions claim. Evaluated schedule delay impacts, prepared documents summarizing issues and entitlement, and presented at mediation. Phase 1 is a $2.6 billion, 1.7 mile extension of the Q train, which provides a modernized 63rd Street station and new stations at 96th Street, 86th Street and 72nd Street on the east side of Manhattan. The tunnel work consisted of both Tunnel Boring Machine and Cut and Cover methods.

East Side Access Rail Line Extension Project – Provided contract management and claims analysis for the Metropolitan Transportation Authority’s $11.1 billion East Side Access project extending the Long Island Railroad underground into Grand Central Terminal and the construction of an East Side Station to be built below and incorporated into Grand Central Station. In addition to handling construction claims and commercial matters, Todd assisted in the preparation of presentations for Dispute Review Boards and was a member of the Cost Recovery Panel reviewing and recommending claims against the designer.

World Trade Center, New York, New York – Managed the analysis and resolution of construction claims and disputes submitted to the Port Authority of New York and New Jersey during the construction of the World Trade Center program. The projects he oversaw included:

One World Trade Center: A 104-story, $3.9 billion commercial office tower comprising 2.6 million square feet of office space. Features include LEED Gold certification, up to 14,000 psi of concrete, #20 reinforcing bar, 73 elevators and 11 escalators, and phosphoric fuel cells generating 4.8 watts of power.

9/11 Memorial and Museum: A $700 million steel memorial and museum. Features include two one-acre granite-tiled reflecting pools, 30-foot perimeter waterfalls, an 8-acre landscaped area with 400 trees, and an 8,500-square-foot museum exhibition hall.

Transportation Hub: A $3.9 billion, 800,000-square-foot hub and infrastructure system that combines rail service, 13 subway lines, and subsurface pedestrian corridors to adjacent buildings. Features include a 110-foot high oculus, over 22,000 tons of structural steel, and over 500,000 square feet of retail and restaurant space.

Vehicle Security Center: A $700 million subterranean, state-of-the-art vehicular screening facility and underground parking complex. Features include an 80-foot-deep, 60-foot-diameter helix ramp, underground access to all seven structures within the site, 220,000 cubic yards of rock and dirt excavation, more than 50,000 cubic yards of concrete, and 7,700 tons of reinforcing bar.

Central Chiller Plant: A $200 million, 13,500-ton-capacity system, providing air conditioning to the transportation hub, memorial museum, and other areas. Features include five 2,500-ton and one 1,000-ton centrifugal chillers using up to 30,000 gallons per minute of Hudson River water.