Thanassis Sofianos is the Founder and CEO of Relevance, a Google multi-awarded digital transformation and growth consulting agency. He launched the firm in 2013 with the vision of leveraging the power of data, performance marketing, and design to help clients anticipate the future and achieve sustainable growth. 

Under his strategic guidance, Relevance has evolved into one of Europe’s leading digital agencies. Today, the company is powered by a multidisciplinary team of more than 160 digital experts and supports over 300 clients with campaigns spanning more than 95 global markets. Relevance’s work covers a diverse range of industries including retail, e-commerce, automotive, financial services, FMCG, and tourism. 

Beyond his role at Relevance, he is a Partner at Cloud Nine Ventures and an active angel investor, advising and investing in high-potential startups across Europe. He also holds board-level positions in companies operating in professional services, real estate, and emerging innovation-driven sectors.

Over the past 15 years, he has cultivated deep expertise in building high-performance digital ecosystems, driving international market expansion and fostering entrepreneurial growth. His work is grounded in a holistic understanding of the intersection between technology, business and strategic foresight, all aimed at unlocking long-term value. 

He holds a degree in Political Science and Public Administration from the University of Athens and an MSc in International Economics and Finance from the Athens University of Economics and Business.