Dr. Vassilis Tsiafakis is a senior executive in satellite communications, spectrum strategy, and space-based services, with extensive experience across UK and international markets. He has a proven track record in shaping scalable, revenue-generating business models within the Space-as-a-Service ecosystem, translating advanced technologies into market-ready solutions. Having held leadership roles at RBC Signals UK and Inmarsat, he has driven the development of innovative satellite services and global commercial offerings. With over 14 years of experience in international spectrum policy and regulatory negotiations through the ITU, Dr. Tsiafakis combines technical expertise, strategic vision, and commercial leadership to support business growth, strategic partnerships, and next-generation space capabilities.