Paul Riseborough is a Managing Director and GNC specialist with over 30 years' experience across academia, defense and the UAS sector, delivering guidance, navigation and control solutions from concept through flight test. He founded and leads GNC SOLUTIONS and serves as Chief Engineer at SYPAQ, combining hands-on algorithm development with operational roles including UAV piloting and flight test data analysis. Paul is a prolific open-source contributor to ArduPilot and PX4—authoring EKF navigation algorithms, TECS energy control, and inertial navigation filters used worldwide—bridging research-grade methods and production autopilots. His background in spacecraft dynamics (PhD) and broad systems knowledge (thermal, vibration, aero, electrical and mechanical) enables effective cross-discipline system-level design and fault-tolerant navigation in contested or GPS-denied environments. He is known for pragmatic, application-focused innovation: turning complex estimation and control theory into deployable systems and training materials for industry adopters. Based in Melbourne, he helps international SMEs leverage open-source autopilots to accelerate product development and reduce technical risk.
13 years of coding experience
14 years of employment as a software developer
Lilydale High School
PhD, Spacecraft Dynamics, PhD, Spacecraft Dynamics at RMIT University
Contributions:298 commits, 29 pushes, 2 branches in 3 years 9 months
Contributions summary:Paul appears to be contributing to the development of an inertial navigation filter. Their primary task involved adding and modifying files related to the filter's functionality, including plotting scripts to visualize data and source files for algebraic expression derivations. This indicates involvement in the core algorithms and processing logic of the filter, along with analysis of results. Further contributions included refactoring of code.
PX4 Firmware for PX4FMU autopilot and PX4IO servo / failsafe board
Contributions:507 commits, 1 PR, 862 pushes in 7 years 1 month
firmwarefailsafeautopilotpx4servo
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Paul Riseborough - Managing Director at SYPAQ Systems