Vojtech Gall PhD, PE


Vojtech Gall

Gall Zeidler Consultants
44345 Premier Plaza, Suite 210
Ashburn, Virginia 20147
Phone: +1-703-726-2700


Dr. Vojtech Gall is a principal and co-founder of Gall Zeidler Consultants. He leads GZ’s North American headquarter in Ashburn, Virginia and is primarily responsible for GZ’s North American and South American markets. Dr. Gall has over 30 years of experience in the design, construction, and construction management of tunnels and underground structures. His expertise encompasses soft-ground, mixed-face, and rock-tunneling utilizing Mechanical (TBM), conventional tunneling (SEM/NATM), and cut-and-cover excavation methods.

Dr. Gall frequently serves on expert review panels dedicated to the investigation and improvement of tunneling schemes and advises on all stages of design development. He has provided peer review services on a wide variety of facilities, ranging from hydropower schemes in remote settings to complex transit structures in urban settings.


Education &  Qualifications

  • Ph.D., Civil Engineering, University of Maryland
  • M.S., Mining Engineering, University of Alabama
  • M.Sc., Civil Engineering, Technical University (RWTH) Aachen, Germany


Professional Registrations

  • Professional Engineer in Kentucky, Florida, District of Columbia, Ohio, California, Colorado, Illinois, Michigan, North Carolina, New Jersey, New York, Maryland, Texas, Washington, Massachusetts, Alaska, Pennsylvania, and Virginia.



  • International Tunneling Association
  • American Society of Civil Engineers (ASCE)
  • Society for Mining, Metallurgy, and Exploration, Inc.
  • American Concrete Institute
  • American Underground Construction Association
  • Disputes Review Board Foundation
  • American Rock Mechanics Association
  • International Society for Rock Mechanics

Technical Papers

Dr. Gall has authored over 50 technical publications and has lectured extensively on the state-of-the-art of modern tunneling techniques.

Modern Urban Tunnelling – Responding to Social Needs

Synopsis: Urban Tunnelling requires handling of a wide range of ground conditions and multiple challenges generated by work access constraints,

Shallow SEM Tunneling with Limited Clearance to Existing Structures: Design, Construction and Observations

Synopsis: The excavation and initial lining has just been successfully completed for the Downtown Bellevue Tunnel using Sequential Excavation Methods

SCMAGLEV – Fast and Innovative Mode of Transportation in the Northeast Corridor – Tunneling Challenges

Synopsis: The Northeast Corridor Superconducting Maglev Project (SCMAGLEV) entails con­struction of a high-speed train system between Washington, D.C. and New

The Gateway Program – The Hudson River Tunnel Project in New York, New Jersey

Synopsis: The Northeast Corridor (NEC) represents one of the most heavily traversed regions in the United States. Between Amtrak and

Conventional Tunneling in Urban Areas

Synopsis: Conventional tunneling as defined by ITA’s Working Group 19 is often referred to as New Austrian Tunneling Method (NATM);