Taught by practitioners
Principal safety engineers who certify real systems — not career instructors.
Training & Templates / Digital Courses
Practical, on-demand and private courses that turn dense standards into real-world practice — taught by the principal engineers who certify real systems. Train your team on the exact standards your products must meet.
Principal safety engineers who certify real systems — not career instructors.
Workshops tailored to your team’s active blueprints and components.
Flagship IEC 61508 training delivered as an approved SGS-TÜV Saar partner.
Every course centers on failure modes, lessons learned, and audit-ready reasoning.
Every program is grounded in the standards and hazards of a specific sector. Pick the track that matches your systems — or browse the full catalog.
ISO 10218 · ISO 3691-4 · ISO 13849
Safe design for industrial, collaborative, and mobile robots operating in unstructured, human-shared environments.
EN 50126 · EN 50128 · EN 50129
Fail-safe signaling, train-control architectures, and certifiable safety cases across the RAMS lifecycle.
ISO 12100 · ISO 13849 · IEC 62061
Compliant, defensible safety architectures and Performance Level verification for fixed and mobile machinery.

Ben Twombly
Founder & CEO · Principal Safety Engineer · Sarasota, Florida
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.
Senior Safety Engineer at TÜV Rheinland
Continents of certification experience
IEC 61508-certified collaborative AMR
Bring any course to your engineers as a private virtual session or an in-person custom workshop — scheduled around your calendar and tailored to your active hardware.