John H. Hamilton, MSME PE

John H. Hamilton, MSME PE

17252 N. Highway 215
Mountainburg, AR 72946
Office: 479-790-6782
Fax: 479-369-0326

Mr. Hamilton, is a professional engineer and a full-time faculty member of the University of Arkansas. In this this faculty position he is responsible for teaching undergraduate mechanical engineering courses, including courses in safety and design.
Previously Mr. Hamilton worked as a full-time consulting engineer assisting professionals in both industry and the legal community by serving as a consultant and as an expert witness. As an expert, Mr. Hamilton has evaluated hundreds of consumer, industrial and agricultural incidents related to safety, machine guarding and mechanical engineering.
He has worked in industry as a manufacturing and plant engineer and has been responsible for the safety of an industrial plant with over 300 employees, where he designed guards and worked extensively with plastic injection molding machines amongst many other industrial safety responsibilities.
Mr. Hamilton is devoted to educating the next generation of engineers. He has developed and teaches a senior level Mechanical Engineering course entitled “Designing for Safety.” In this class he teaches principles of safe design such as the hierarchy of design, warnings usage, machine guarding and various hazard analysis techniques. He is in charge of senior design projects, where he guides students as they complete design projects to assist local manufacturers.
A partial list of items Mr. Hamilton has consulted on are:
Agricultural accidents
Plastic processing equipment
Lockout-tagout (LOTO)
Machine guarding
Injection molding machines
Blow molders
Forage blowers
Power take off-units (PTO's)
Printing presses
Sod harvesters
ATV steering mechanisms
Pressure vessels
Riding lawn mowers
Emergency stops
Pumping/piping systems
Industrial saws
Automatic guided vehicles (AGVs)
Walking working surfaces
Food processing equipment
Agricultural machines
Agricultural equipment
Industrial accidents
Machine design
Industrial safety
Mechanical systems
Safety systems

Areas of Expertise
  • Accident Investigation
  • Accident Reconstruction
  • Agricultural
  • Consumer Products
  • Conveyors
  • Design Engineering
  • Equipment & Machinery
  • Failure Analysis
  • Forensic Engineering
  • Machine Guarding
  • Mechanical Engineering
  • Personal Injury
  • Plastics
  • Power Tools
  • Professional Engineering
  • Safety Engineering
  • Thermal Engineering

Expert Background
Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: Professional Engineer Liscenced in Arkansas. Bachelors and Masters degrees in Mechanical engineering.
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
Q: Please list any teaching or speaking experience you have had, including subject matter:
A: I have been employed full time as an instructor at the University of Arkansas and John Brown University
Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
A: no
Q: On how many occasions have you been retained as an expert?
A: over 100
Q: For what area(s) of expertise have you been retained as an expert?
A: mechanical engineering, safety engineering, Industrial safety, agricultural safety, ATVs. Lockout Tagout, Machine Guarding. Plastic processing equipment.
Q: In what percentage of your cases were you retained by the plaintiff?
A: currently about 50%
in the past with another employer about 90%
Q: In what percentage of your cases were you retained by the defendant?
A: currently about 50%, in the past with another employer abotu 10%
Q: On how many occasions have you had your deposition taken?
A: between 70 and 100 I believe
Q: When was the last time you had your deposition taken?
A: May 2023.
Q: On how many occasions have you been qualified by a court to give expert testimony?
A: approximately 15
Q: On how many occasions have you testified as an expert in court or before an arbitrator?
A: approximately 12-15
Q: For how many years have you worked with the legal industry as an expert?
A: 25
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
A: consulting, reports, site inspections, some testing,
Q: What is your hourly rate to consult with an attorney?
A: $325
Q: What is your hourly rate to review documents?
A: $325
Q: What is your hourly rate to provide deposition testimony?
A: $425
Q: What is your hourly rate to provide testimony at trial?
A: $425
Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
A: Travel-$200/hr


References upon request.