Contact

GC Office

Shalom Tower

DV 5

Corporate Headquarters

401 Franklin Avenue, Suite 318
Garden City, NY 11530

t: 516.625.9800
f: 516.625.9816

New York City Office

40 Wall Street, 28th Floor
Suite 2833
New York, NY 10005

t: 646.512.5633

European / Middle east Office

Shalom Tower (Tower of Peace)
9 Ahad Ha’Am Street- 6th Floor

t: +1. 646. 225.6585.5633

spanish-icon French-icon
We speak Spanish and French

Engineering | ext 22
Ercan Durak
Manager of Design
edurak@dyconsultants.com

Planning | ext 24
Lyor Dahan
Director
of Aviation Planning

ldahan@dyconsultants.com

Program Management | ext 26
Gabe Rothauser
Director of Program Management
grothauser@dyconsultants.com

Business Development | ext 28
Vivian Yan
Marketing/Business Development Manager
vyan@dyconsultants.com


Owner 
| ext 14
Dennis Yap, P.E
President
d-yap@dyconsultants.com