Our staff includes a mixture of engineering specialties, education and experience. This allows us to provide comprehensive analysis, using the best that experience, the latest tools, and up to date technique can provide.


Mark Cannon, P.E., CFEI

cannon313a   M. Cannon CV

Safety Engineering
Workplace Accidents
Safety Engineering
Fall Protection
Industrial Equipment, Construction
Equipment, Machine Guarding, Machine Failures, Consumer Products
Mark has over 35 years’ experience in industry and engineering with over 17 years in forensics. He is registered in multiple states.


Dan Cowley, P.E.

cowley413   D. Cowley CV

Mechanical and Safety Engineering
Industrial and Workplace Accidents
Agricultural and Heavy Equipment
Engineers and Power Equipment
Fire Causation
Control System and Embedded Software Analysis
Dan has 35 years of industrial experience with John Deere including areas of research, product development, design, test and failure analysis. He is registered in multiple states.


Todd Springer, P.E.

springer413    T. Springer CV

Mechanical Engineering
Consumer Product Design/Defects
Fire Causation
Building envelope installation/performance
Building code and ADA compliance
Human Factors related to pedestrian locomotion and environment interaction
Hail/Storm Damage
Todd’s forensic investigations include appliances, plumbing fixtures and components, building components, water intrusion and industrial equipment.


 Joe Zbick, P.E.

joe1   J. Zbick CV

Structural Engineering
New and Existing Building projects
Masonry, Timber, Concrete, Steel Construction
Building Codes/ Historic and Current
Structural Design
Joe has over 17 years’ experience in structural design and evaluation. He is licensed in multiple states.


 R. Patrick Donahue, P.E., CFEI, CVFI

donahue313   P. Donahue CV

Electrical Engineering/Automotive
Electrical Failure Analysis
Vehicle Fire Causation
Vehicle Diagnostics
Vehicle Control Systems and Brake Analysis
Airbag Systems
CDR Data
Patrick has 15 years’ experience in design manufacturing and testing at General Motors. He has over 10 years’ forensic experience.


  Jeremy Bethancourt

jbethancourtc    J. Bethancourt CV

Worksite Safety and Regulatory Compliance
Hazard Mitigation
Emergency Response Plans
Safety Programs/Training
OSHA Compliance
Jeremy has over 20 years’ experience in the construction business with emphasis on safety and training.


David Komm, P.E., PEng, CFEI




  D. Komm CV




Mechanical Engineering
Electromechanical Failure Analysis
Fires, Explosions, and Carbon Monoxide Exposure
Product Liability/Design Defect
Dave is the President of AKE, Inc. He has a Masters in Mechanical Engineering and over 30 years’ experience, the last 15 in forensics. Dave is registered in multiple states and Alberta, Canada.


Paul G. Bakalis, RA, NCARB, CSBA

bakalis413   P. Bakalis CV

Trip Fall/Slip Fall
Building and Site Architecture
Engineering and Construction
Human Factors
Safety and Risk Mitigation
Paul is a registered Architect, qualified in multiple states, with over 35 years’ experience.


Richard N. Hinrichs, Ph.D.

Rick2   R. Hinrichs CV

Biomechanics/Human Factors
Accident Reconstruction
Upper Extremity Function and Trauma
Body Segment Interactions
Human Factors/Ergonomics
Human Movement
Biomechanics of Locomotion
Dr. Hinrichs is a Professor Emeritus, Kinesiology at Arizona State University. He has over 20 years’ forensics experience.


 Kerry Knapp, PH.D

knapp413    K. Knapp CV

Biomechanics and Anatomy
Anatomical Injury
Human Tissue Injury
High and Low Energy Injury Analysis
Motor Vehicle Accident Investigation
Sports and Firearm Injury Analysis
Industrial Injuries
Dr. Knapp integrates the laws of physics and engineering principles to examination of biomechanics and human injury.


William Powers

billp1    B. Powers CV

Crane and Heavy Equipment Operations
Crane Rigging and Operations
Safety and Operator Training
Heavy Equipment Inspections

Bill has over 35 years of experience in crane and equipment inspections.


 Quent Augspurger P.E.

augspurger413   Q. Augspurger CV

Mechanical Engineering
Material Handling Equipment
Agricultural Equipment
High Pressure Liquid and Gas Systems
Machinery and Tooling
Manufacturing Processes

Founder of the firm, Quent is a fellow with the American Council of Engineering Companies.  He has been in practice for over 40 years.



 Judson Matthias, Ph.D.

mathias413  J. Matthias CV

Civil Engineering / Traffic Engineering
Roadway Design
Transportation Planning
Traffic Engineering
Highway Signing/Marking, Traffic Control
Human Factors
Vehicular Accident Reconstruction and Analysis

Dr. Matthias has 45 years’ experience in engineering and is a former professor at Arizona State University.


Claude Baker, P.E.

baker413    C. Baker CV

Civil/Structural Engineering
Construction Design,
Construction Analysis,
Structural Engineering Design
Investigation, Construction Methods
Load Tests, Concreting Techniques
Steel Erection Methods/Safety & OSHA Compliance
Hydraulic Equipment, Hydraulic Components
Pile Testing
Steel Mill Plant Design
Crane Design

Hugh McSpadden

mcspadden413   H. McSpadden CV

Development of Test Fixtures and Methodology

Hugh has 45 years’ experience in chemistry and chemical processes in industry and aerospace.


Roy Otterbein, P.E.

otterbein413   R. Otterbein CV

HVAC Design/Mechanical Engineer
HVAC Design & Performance
Residential & Commercial HVAC System Analysis
Heat Exchangers
Evaporative Coolers

Roy has over 30 years of experience in HVAC system design and performance.


Mark Rognlin

rognlin413    M. Rognlin CV

Chief Forensic Technician
Artifact Examinations and Dis-assembly
Exemplar Procurement
Model Construction

Mike Craghead

craghead413   M. Craghead CV

Engineering Technician
History of Design
Similar Manufacturers and Products
Recalls and Investigations
Electro-Mechanical Systems
Instrumentation, & Testing

Barbara Desmond


Pam Hennig