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A Strong Foundation
The management and support team at VMAR is committed to delighting our
clients by consistently delivering superior service and
professional results!

PROPERTY & CASUALTY INVESTIGATIONS DIVISION
Roger Owers, Ph.D., P.E., J.D., M.S., B.S.C.E.,
Regional Manager

Education
University
of Wyoming 2001 Ph.D. – Civil Engineering
University
of Wyoming 2001 J.D.
Arizona State University
1995 M.S. – Construction
University of Arizona 1993 B.S. – Civil Engineering
Professional Licenses
Professional Engineer (P.E.)
– Civil Engineering (States of Arizona and California)
Attorney-at-Law
– Admitted to the State Bars of Arizona and Wyoming
General Contractor
– Qualifying Party State of Arizona
Experience
Civil/Structural Engineering
- Five years field experience managing large-scale
roadway, bridge, and building construction projects.
Construction Management
- Four years experience managing large and small scale
construction and maintenance projects
Construction Law
- Seven years experience as an attorney specializing in
construction law, including risk management and engineering and
construction contracts.
Professional Affiliations
Visiting Assistant Professor in
Construction Management, Arizona State University
Member of the Construction Law Section,
State Bar of Arizona

VEHICLE ACCIDENT RECONSTRUCTION DIVISION
David M. Sonne, President

Education
Cornell University 1978 B.S. – Civil Engineering
Certification
Accreditation Commission for Traffic Accident Reconstruction (ACTAR
#1046)
Experience
Investigations - More than 3000 auto accident, injury, product
liability, fire cause & origin, and property damage
investigations completed.
Technical Seminar Presentations Given
Air Bag Systems: System Operation and Failure Analysis
Brake Failure Investigation
Headlamp/Tail Lamp Analysis for “On/Off”
Low Speed Accident Investigation and Injury Defense
Seat Belt Restraint System Evaluation
Stolen/Recovered Burned Vehicle Investigation

Recent Technical Studies
Forensic Aspects of Vision and Highway Study
Low Speed Collisions: The Art and Science of Interpretation
Low Speed Collisions: Analysis and Biomechanics
Pedestrian Accident Reconstruction
Northwestern University Traffic Institute – Traffic Accident
Reconstruction
Collision Trauma Biomechanics
Use and Interpretation of Vehicle Data (Black Box) Recorders
Professional Affiliations
Member - Accident Reconstruction Network (ARC)
National Association of Professional Accident Reconstruction
Specialists (NAPARS)
Society of Automotive Engineers (SAE)
Southwestern Association of Technical Accident Investigators (SATAI)

Core Values
FAITH IN . . .
Jesus Christ as Lord, Savior, Friend, and
Partner
COMMITMENT TO . . .
Setting an
example of excellence
FOCUS ON . . .
Thoughtful
service to customers, team members, family, and community

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| If we do
not get your assignment completed within 21 calendar
days, then we cut your cost in half. That’s right, 50%
off if we don’t get it done and back to you within 21
days! |
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