Roger A. Spiegler

Roger A. Spiegler

Senior Technologist

Mr. Roger Spiegler has over 37 years of experience in accident investigation, close range photogrammetry and accident analysis and accident site documentation. He is skilled in preparing engineering graphics, court exhibits and models.


  • Technical Aspects of Phase I/II Environmental Site Assessments, Cover Photo, January 1999
  • Pulp and Paper Manufacture, Illustrations, January 1992
  • Standard Welding Terms and Definitions, Illustrations, January 1989
  • A New Welding Qualification Standard, ASW American Welding Society - Welding Journal, January 1978

Home Office

Florida - Fort Myers

12750 Commonwealth Drive Fort Myers, FL 33913
  • Phone: (239) 482-0500
  • Fax: (239) 482-2941

Areas of Expertise

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.

Contact Us