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Mr. Chelini has more than 20 years experience in software development for embedded real-time systems in both commercial and military applications. His work has focused on the definition and implementation of software architectures, software safety, and process improvement. Prior to founding Verocel with George Romanski in 1999, Mr. Chelini held a number of technical and managerial positions including: Manager of Safety Critical Software for Aonix, responsible for the development of certification materials for Aonix's DO178B-certifiable Ada Run-time Systems. The results of this work has been used in avionics, nuclear, and railway applications requiring the highest level of assurance including the Boeing 777, the nuclear-reactor safety-shutdown system for the Temelin Reactor, and the railway signaling and braking system for the Jubilee Line Extension of the London Underground. Principal Engineer with Raytheon, responsible for the establishment of the Electronic Systems Division's software-safety guidelines. He was the software-safety engineer for the Microwave Landing System, and authored the software safety plans for other programs including the Ground Based Radar (GBR) system, and the proposed Wide Area Augmentation System (WAAS). Mr. Chelini was a member of the RTCA Special Committee SC-190 (work completed, documents published) providing clarification of DO-178B for avionics and ground-based systems, where he was the co-chair for the Development Subgroup. He was also a member of RTCA Special Committee SC-182 (work completed) - Requirements Specification for the Avionics Computing Resource (DO-255) published, and is currently a member of RTCA Special Committee SC-200 developing a guidance document for Modular Avionics. | 