Key Personnel

TerraTech Engineers, Inc. is dedicated to providing the highest quality services available. To this end, we hire highly qualified individuals that each have the goal of making certain that our evaluations are made with accurate, timely data.

Key Personnel

Information on the background of several of our key personnel is provided below:

Erwin Williams III, PE
• BS, Civil Engineering and Masters, Civil Engineering, NC State University
• Registered Engineer, NC, SC, VA, GA
• NC Licensed Home Inspector

Twenty-three years providing geotechnical engineering, environmental consulting, and construction materials engineering, including foundation, settlement, and slope stability analyses; environmental assessments; and construction materials engineering. Mr. Williams has consulted on over 5,000 projects, from small residential and commercial structures to multi-story buildings, large retail and industrial facilities, and infrastructure projects.


Glen Malpass, PhD, PE
• BS, MS, and PhD, Civil Engineering, NC State University
• Registered Engineer, NC

Seventeen years’ experience providing engineering and environmental consulting services. Extensive experience in evaluation and testing of asphalt pavement materials, including preparation of course materials and teaching classes for NCDOT on SuperPave mix design. Performed numerous subsurface investigations for office buildings and retail facilities, foundation and settlement analyses, environmental assessments, and underground storage tank consulting.


Chris Pilz, P.E.
• BS, Civil Engineering, NC State University
• Registered Engineer, NC

Five years’ experience with TerraTech providing engineering and environmental consulting services. Experience includes design of reinforced concrete retaining walls, design of segmental block retaining walls, evaluation of reinforced earth and tie-back retaining systems, evaluation of shallow and deep foundations, and evaluation of construction materials including concrete, structural steel and asphalt paving.


Brian Hall, PE
• BS, Civil Engineering, NC State University
• Registered Engineer, NC

Eight years’ experience in performing geotechnical engineering, environmental consulting, and construction materials testing services. Experience also includes evaluations of code compliance for residential and commercial structures. Brian has performed design of numerous segmental block retaining walls ranging in size from 5 feet to 25 feet in height.


Dustin Walker, E.I.
• BS, Civil Engineering, West Virginia Tech
• Registered Engineering Intern, WV
• NC Licensed Home Inspector

Three years’ experience with TerraTech providing engineering and environmental consulting services. Experience includes numerous subsurface investigations of building sites and testing of concrete, asphalt and other construction materials. Mr. Walker has performed over 300 home inspections in North Carolina and West Virginia.

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