Biography
Until February 2024 Chris was a full-time employee of QNX, working on the development, verification and certification of complex software systems. Since February Chris has continued this work as a consultant and as a Visiting Researcher at the University of Waterloo (Ontario). Chris has been a member of two safety working groups, producing guidance documents for Assurance Cases and for the safety analysis of Complex Systems: Chris is the editor of the documents being created for both groups. He has published papers at various conferences on safety topics, most recently two papers delivered at the Safety Critical Systems Symposium in York, UK, in February 2025. He has two distinct sets of books. CRC Press has published his technical books and Aviation Publishers (https://www.aviationpublishers.com/) has published his aviation books. Since edition 2 of Embedded Software Development for Safety-Critical Systems appeared, several of the aviation books have been republished to keep up with changes in aviation regulations and practices. No other technical book has appeared.
