Samieh Alissa Author

Samieh Alissa is head of navigation at the Swedish National Space Agency (SNSA). He holds a PhD in Satellite-Based Augmentation Systems (SBAS) and has over a decade of experience as a lecturer in radionavigation systems. Dr Samieh Alissa serves as a member of the European Commission's Space Programme Committee - Galileo and EGNOS Configuration (SPC-GEC) and represents Sweden on ESA's Programme Board for Navigation (PB-NAV). His technical expertise spans Global Navigation Satellite Systems (GNSS), with significant contributions in Network RTK, RTCM Standards 104 and 134, and autonomous navigation. He has authored numerous publications and research papers presented at international conferences, including ION GNSS+. His career bridges academia, industry, and government, with a consistent focus on advancing high-precision GNSS, SBAS, and next-generation autonomous navigation technologies - always with a strong emphasis on safety-critical applications and the integrity of real-world operational systems.