Iwan van Beurden, MSc, CFSE, serves as Chief Technology Officer and Director of Product Development at exida, a global leader in research, training, product certification, and system consulting for safety-critical and high-availability systems.
With more than 20 years of professional experience in the functional safety field, van Beurden is responsible for the development, maintenance, and certification of the exSILentia integrated safety life cycle tool and associated products at exida.
He performs IEC 61508 development support, IEC 61511 life cycle services, functional safety assessments, and a variety of reliability analyses. He is an ISA Fellow and a member of the ISA S84 committee, and teaches exida and ISA training classes.
van Beurden is a Certified Functional Safety Expert (CFSE). He has published dozens of papers and magazine articles. He holds a master of science degree from Eindhoven University of Technology in Eindhoven, the Netherlands, where he majored in reliability engineering and graduated cum laude.

William M. Goble, PhD, PE, CFSE, is Managing Director and Cofounder of exida, a company that engages in research, training, product certification, and system consulting for safety-critical and high-availability systems. He has developed probabilistic analysis methods for functional safety that are widely used today. He has more than 40 years of experience in control systems, including product development, marketing, training, and functional safety certification.
Goble received a BS in electrical engineering from Penn State University, an MS in electrical engineering from Villanova University, and a PhD in reliability engineering from Eindhoven University of Technology. He is a registered professional engineer in the State of Pennsylvania and a Certified Functional Safety Expert (CFSE). He is an ISA Fellow. He has written hundreds of technical articles and several best-selling books on functional safety.