Professional Service Directory

Leslie E. Robertson Associates, RLLP (LERA)


Leslie E. Robertson Associates, R.L.L. P., a 120-person MBE/WBE structural engineering firm, provides design services for the entire spectrum of building types including: office, retail, mixed-use, hotel, residential, educational, institutional, aviation, sports/entertainment facilities, cultural facilities, bridges and other specialty structures, both nationally and internationally. Areas of specialization include high-rise buildings and long-span structures. Other services include blast-design, seismic/security upgrades, historic preservation, value engineering, peer review, investigation and technical research projects.


40 Wall Street, 23rd Floor
New York, NY 10005
Tel: 212-750-9000
Fax: 212-750-9002


SawTeen See

Firm Established



Winnie P Kwan, PE

Nayan B Trivedi, PE

William J Faschan, PE

Richard  Zottola, PE

Daniel A Sesil, PE

Elias S Matar, PE

Example Projects

Shanghai World Financial Center; 
Mori Building 
Completed: 2008
492m tall office building with a Park Hyatt hotel at the top; voted by CTBUH as the Best Overall Tall Building in the World in 2008.

Type of Work

Engineer - Structural

AIA New York Chapter
536 LaGuardia Place
NY, NY 10012
(212) 683-0023

Gallery Hours
Mon-Fri: 9am to 8pm
Sat: 11am to 5pm

Office Hours
Mon-Fri: 9am to 5pm