Nasri Munfah PE


Nasri Munfah

Gall Zeidler Consultants
111 John St, Suite 1270
New York, NY 10038
Phone: +1 (646) 480-4895


Nasri Munfah is a co-owner and a Principal of Gall Zeidler Consultants. He is responsible for the development and implementation of the firm’s strategic long term growth plan in tunneling and underground construction business across the Americas. He provides technical leadership in business development, strategic pursuits, project delivery, and drive growth and professional development of staff.

With more than 40 years of experience in tunneling and underground engineering design and construction, he is well recognized in the industry. He has been responsible for the successful delivery of multi-billion-dollar projects from conceptual engineering through construction in the traditional design-bid-build and alternative delivery methods including DB, DBF, CMGC, P-DB and P3. His experience encompasses TBM bored tunnels, SEM/NATM tunnels, cut and cover, and Immersed Tube Tunnels (ITT) for transportation, water conveyance, and energy projects. He is an adjunct professor at Columbia University in New York.



  • Post-graduate Studies, University of Michigan, Various Management Courses
  • M.S., Structures and Geotechnical, Michigan State University
  • B.S., Civil Engineering, University of Aleppo, Syria


Professional Registrations

  • Professional Engineer in New York, Michigan



  • American Society of Civil Engineers (ASCE)
  • International Tunneling Association: Chairman/Animateur for Working Group 19 – Conventional Tunnel and a former Member of Working Group on Immersed Tube Tunnels
  • The Moles Member
  • Transportation Research Board Committee AFF60 – Tunnels and Underground Structures
  • The American Underground Association (UCA of SME) Member and a former member of the Executive Committee

Technical Papers

Mr. Munfah has authored over 50 peer reviewed papers, lectured in various universities and short courses on topics related to technical and management aspects of underground construction, and has received numerous awards in acknowledgment of his contributions. Below is a selection of his most recent publications.

Design and Construction Challenges of SEM Construction in Urban Area: Chinatown Station, San Francisco, CA

Synopsis: Sequential Excavation Method (SEM) is being used more and more in urban settings in soft ground, mixed ground conditions,

Utilization of Underground Space Promotes Urban Development

Synopsis: In the last few decades, underground space became increasingly important for the development of societies. Population growth, growth of

Controlling Risk of Tunneling Projects Implemented by Alternative Delivery Method

Synopsis: The unpredictability inherent in underground projects and the accelerated pace of design-build or P3 tunnel projects can result in

Istanbul Strait Road Tube Crossing: Challenges, Risks and Mitigation Strategies

Synopsis: The 13.2 m external diameter double deck Istanbul Strait Road Tube Crossing is one of the most challenging underwater