Custom Floor-Ready Workshops
Fully customized, hands-on sessions built around your engineering team’s active hardware blueprints and system components.
Digital Courses/Catalog/ Robotics
An engineering workshop that trains your internal staff in the investigative mindset of an independent safety challenger. Your team masters the bottom-up detective process of Failure Mode and Effects Analysis (FMEA) and the top-down deductive reasoning of Fault Tree Analysis (FTA) to confidently challenge internal design assumptions.
Facilitate a rigorous, blame-free FMEA workshop
Build and quantify fault trees (FTA) for top events
Challenge design assumptions like an independent assessor
Translate findings into prioritized, traceable safety requirements
A structured path from fundamentals to audit-ready evidence. Expand any module to see its lessons.
5 modules · 15 lessons · Certificate of completion

Ben Twombly
Founder & CEO · Principal Safety Engineer
Ben Twombly is the founder of Critical Systems Analysis and the principal engineer behind every CSA program. He holds an FS Engineer certification from TÜV Rheinland and the Industrial Functional Safety Professional (IFSP) certification.
Before founding CSA in May 2023, Ben spent six years as a Senior Safety Engineer at TÜV Rheinland, preparing clients for safety assessments across a wide range of safety-critical systems. He earned his degree in robotics from the Colorado School of Mines. At CSA he works with robotics companies, autonomous vehicle manufacturers, industrial machinery firms, battery management system developers, and rail transit organizations across the U.S., Canada, and Europe.
Secure seats now, or talk to an instructor about a private cohort for your engineers.