Rudolph P. Frizzi, PE, GE, D.GE Expert Witness

Contact this Expert Witness

  • Company: Langan Engineering and Environmental Services, Inc.
  • Phone: (201) 665-6449
  • Website:
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Specialties & Experience of this Expert Witness

General Specialties:

Geotechnical Engineering

Specialty Focus:

Civil Engineering, Earthquake Engineering, Forensic Engineering, Geological Engineering, Levees, Marine Engineering, Site Analysis, Soil Engineering


Master of Science, Civil Engineering, University of Illinois at Urbana - Champaign; Bachelor of Science, Civil Engineering, The Ohio State University

Years in Practice:


Additional Information

Mr. Frizzi's geotechnical engineering, project management, forensic, and dispute resolution experience is extensive, with particular emphasis on foundation design and construction in urban areas and large-scale land and waterfront development projects. During his over 30 years in the industry, he has interacted on projects in nearly every continent and has performed geotechnical investigations and designs, prepared plans and technical specifications, and observed field testing and construction as geotechnical "engineer of record" on countless projects. In addition, Mr. Frizzi has provided expert geotechnical consultation and trial testimony on over 80 excavation and foundation litigation cases throughout the United States and internationally.