Ronald J. Parrington

Ronald J. Parrington, P.E., FASM

Senior Managing Consultant

Mr. Ronald Parrington specializes in the areas of materials testing, corrosion, welding, and failure analysis. His 30 years of experience includes managing technical staff and testing laboratories/departments, expert witness services, legal and forensic services, new product development and testing, developing and executing test programs, performing material assessments, providing technical assessments, solving materials problems, as well as performing failure analysis.

Prior to joining ESi, Mr. Parrington was President of IMR Test Labs, a material testing laboratory located in Lansing, New York. He was responsible for managing operations for commercial materials and product testing laboratories in the United States and Asia, as well as leading their expert services. Previous to that time, his experience includes managing and providing technical services at Dresser-Rand, Lockheed Martin, and General Electric Company.


  • Introduction to Failure Analysis and Prevention, ASM Handbook Volume 11, Failure Analysis and Prevention, April 2021
  • Fatigue Fracture Appearances, ASM Handbook Volume 11, Failure Analysis and Prevention, April 2021
  • Fractographic Features in Metals and Plastics, Advanced Materials & Processes, ASM, Vol. 161, No. 8, August 2003
  • Corrosion-Related Failures, Failure Analysis and Prevention, ASM Handbook, Volume 11, December 2002
  • Fractography of Metals and Plastics, Practical Failure Analysis, ASM, Vol. 2, Issue 5, October 2002
  • Failure of a Stainless Steel Holding Tank, Advanced Materials & Processes, ASM, Vol. 157, No. 6, June 2000

Home Office


2355 Polaris Lane North Suite 120 Plymouth, MN 55447
  • Phone: (763) 557-9090
  • Fax: (763) 557-0710

Project Experience

ESi's expertise spans dozens of industries and specializations organized across several practice groups, each staffed by dozens of in-house experts with the technical knowledge, hands-on expertise, and courtroom experience required to execute projects for and with our clients from start to finish.

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