Nathan Macdonald, PE, CSP Expert Witness
Curriculum Vitae

Publications


Amusement Rides Fitness Equipment and Patents

Contact this Expert Witness

  • Company: Alpine Engineering & Design, Inc.
  • Phone: 801-763-8484
  • Website: alpineeng.com

Specialties & Experience of this Expert Witness

General Specialties:

Mechanical Engineering and Intellectual Property

Keywords/Search Terms:

Amusement Rides and Devices, Fitness Equipment, Patents, Intellectual Property, Forklift, Roller Coaster, Zipline, Trampoline Park, Slip and Fall, Consumer Products, Fitness Cables and Carabiners, Automation, Scissor Lift, Telehandler, Design Patents, Trade Secrets, Standards Compliance, aerial lift

Education:

Bachelors of Science in Mechanical Engineering, Brigham Young University

Years in Practice:

12

Number of Times Deposed/Testified in Last 4 Yrs:

8

Additional Information

Experienced mechanical engineering consultant with a Bachelor of Science in Mechanical Engineering. Lead engineer on the design and analysis of numerous products, including ziplines, exercise equipment, drop rides, slingshot rides, aerial lifts, trailers and towing equipment, automated drill pipe handling systems, and other hydraulic, pneumatic, and electronic systems and equipment. Licensed Professional Mechanical Engineer (PE) in Utah, Certified Safety Professional (CSP) in comprehensive practice. Certified Commercial Building Inspector, Licensed operator and trainer for forklifts, telehandlers, and MEWP's such as aerial lifts, scissor lifts, and boom lifts. Familiar with reading, interpreting, and using standards in the engineering design process including, among others, ANSI, ASTM, OSHA, SAE, and ISO standards. Dedicated to high engineering standards, practice, and quality of work product. Performed accelerometer testing on various amusement rides and devices including ziplines, stunt pads, inflatables, and more. Evaluated the cause of component failures in multiple industries including carabiners, webbing, step stools, and more. Experienced in automated and semi-automated systems, warnings, training, and property drainage inspection. Experienced expert witness. Retained expert or lead associate on over 120 cases including 55 patent suits, 70+ product liability and personal injury cases, and multiple contract dispute cases. Extensive experience in product liability, personal injury, premises liability, and catastrophic injury and death cases. Experienced with designing and building test setups and instrumentation to test for performance and standards compliance as well as to perform accident reconstruction.