Susan Bayat, PE, President

Ms. Bayat is the founder and president of EnTech. She has 25 years of engineering, environmental, and construction management experience. She has managed and provided technical expertise for a wide range of construction and environmental projects including: bridges, highways and roads, transportation facilities, infrastructure, commercial and industrial buildings, waste management facilities, and remedial projects. Ms. Bayat’s managerial skills and strong commitment to quality is the driving force behind the large number of satisfied repeat clients and the company’s strong growth

Susan Bayat, PE

Susan Bayat, PE


Michael Hershey, PE, Director of Business Development

Mr. Hershey is an experienced senior-level civil and construction engineer with more than 40 years of experience. Mr. Hershey has served as Project Manager on bridge and street construction projects for New York City Department of Transportation (NYCDOT) and New York State Department of Transportation as a consultant. In the public sector, he served as a Senior Director of the NYCDOT Movable Bridge Group and the East River Bridges Group. Mr. Hershey, a professional engineer in NY and NJ, has published several industry papers, is an active member of several engineering organizations and Co-Founder of ASHE NY Metro.

Mike Hershey, PE 

Mike Hershey, PE 


Grace Koszalka Gajewski, PE, Consultant

Ms. Gajewski has 30 years of experience in the engineering industry. Her managerial skills and technical knowledge have led to a successful and timely completion of numerous transportation and infrastructure projects for a variety of government agencies and private clients within the New York State and New York City Metro Area. Ms. Gajewski has an in-depth knowledge of codes, design standards, specifications and requirements pertaining to civil engineering design and construction, as well as of the SEQRA and NEPA processes for transportation projects.

Grace Gajewski, PE

Grace Gajewski, PE


Herman Rizo, Director of Infrastructure

Mr. Rizo has 29 years of experience in managing infrastructure projects. He has been responsible for managing construction contracts and resident engineering services on multi-million dollar NYC projects. Mr. Rizo is a former NYCDDC engineer-in-charge (EIC) who has supervised numerous complex highway, sewer, and water main projects. Mr. Rizo’s extensive experience, his construction management and constructability review skills make him the perfect choice for the implementation and successful completion of any infrastructure project.

Herman Rizo

Herman Rizo


Abdi Hedayati, PE, Director of Construction Projects

Mr. Hedayati has over 28 years of experience in all aspects of construction and engineering. His primary area of expertise is water-front projects and multidisciplinary structures and movable bridges reconstruction projects throughout the New York City area. His extensive technical knowledge and experience of constructability reviews, value engineering, field problem solving, and structural engineering makes him very well qualified for large scale bridge and other infrastructure construction projects. Mr. Hedayati also has in-depth experiences of fabrication and installation of bridge machineries,control systems and traffic management.

Abdi Hedayati, PE

Abdi Hedayati, PE


Daniel Warren, PE, Director of Civil Design

Mr. Warren is a Professional Engineer with 25 years of design and project management experience. He has served as Project Manager for numerous NYC agencies including NYCDDC, NYCDEP, NYCDOT and MTA-TBTA, as well as state, local and federal agencies such as NYSDOT, NYSTA, ConnDOT, NJDOT, Westchester County DPW and FEMA. He has been in charge of highway and street design, traffic engineering, drainage, utility, and site work design from the scoping and planning phases, through preliminary and final design, and construction support services.

Daniel Warren, PE

Daniel Warren, PE


Amir Haddad, PhD, PE, Director of Geotechnical Services

Mr. Haddad is a Professional Engineer with 15 years of experience in geotechnical engineering, design, and construction. In addition, he specializes in geotechnical and structural construction equipment instrumentation and monitoring, and has served as the geotechnical instrumentation engineer in high profile, complex and sensitive projects. His project experience includes construction of deep foundations, excavation support and earth retention systems, underpinning, ground improvement, dewatering systems, ground freezing, and construction equipment in New York and neighboring States.

Amir haddad, Phd, Pe

Amir haddad, Phd, Pe


Hani Faouri, PE, Director of Transportation Projects

Mr. Faouri is a Professional Engineer with 29 years of experience in transportation and infrastructure projects throughout New York City. He served as Deputy Director and Interim Director of the Movable Bridges Group for the New York City Department of Transportation Division of Bridges where he managed numerous bridge and roadway projects, both during design and construction. As EnTech Transportation Director, Mr. Faouri manages the firm’s involvements on numerous projects with agency clients including NYCDOT, NYSDOT, PANY&NJ, NYTA and MTA-TBTA.

HANI FAOURI, PE

HANI FAOURI, PE


Luigi Zecchin, PE, CCM, Director of Construction Management

Mr. Zecchin is a Professional Engineer and a Certified Construction Manager with 25 years of experience providing construction and project management, design services during construction and program management on construction projects. His project experience includes construction and rehabilitation of water and wastewater treatment plants, equipment installation, water front projects renovation and construction, combined sewer overflow, and utility installation and relocation for agency clients including NYCDEP, NYCDDC, NYCEDC and NYCDPR.

LUIGI ZECCHIN, PE, CCM

LUIGI ZECCHIN, PE, CCM


Lisa Pompei, Marketing Manager

Ms. Pompei has 25 years of experience in business development and marketing in the engineering industry. Her experience provides a broad understanding of NY Metro Area market and requirements during procurement/proposal process. Her responsibilities include management of marketing personnel and resources for timely response to clients’ requests. She is an active member of Women Transportation Seminar and has served as co-chair for various committees for WTS Greater NY Chapter.

LISA POMPEI

LISA POMPEI