Join US for the next Cause Mapping Root Cause Analysis Public Workshop on December 3 – 5 ONLINE!

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Sarah Wrenn

Cause Mapping RCA Investigator & Instructor

Prior to joining ThinkReliability, Sarah worked for the Naval Nuclear Propulsion Program providing design, fleet, and maintenance support for valves and auxiliary equipment for all Naval nuclear-powered vessels. She has experience with managing complex mechanical repairs and establishing efficient valve test processes.

Sarah resides in Chicago. When not travelling for workshops, Sarah and her husband love to explore new places and try new restaurants.

Skills and Qualifications

  • Root Cause Analysis
  • Incident Investigation
  • Facilitation and Documentation
  • Process Safety
  • Engineering Management
  • Process Optimization
  • Military
  • Process Engineering

Old Dominion University
Master of Engineering Management

Bettis Reactor Engineering School
Certificate, Naval Nuclear Propulsion

Boston University
Bachelor of Science, Manufacturing Engineering


  • Manufacturing
  • Power Production
  • Transportation
  • Structures
  • Military
  • Healthcare
  • Food Processing
  • Refining
  • Aviation

Contributor to

  • Incident Blog