Leandros Pasias born in Thessaloniki. At age 10 he began piano lessons with his teacher Tasos Mantzaris at the conservatory Musicworkshop. Also he took lessons with Jiannis Angelakis at the Modern Conservatory of Thessaloniki where he made classical harmony lessons and jazz harmony.
At age 18 he continued his studies at the Conservatorium van Amsterdam in the department of jazz piano with professors Karel Boehlee, Rob van Bavel, Hans Vroomans and classical piano lessons with Gert-Jan Vermeulen. Among others, attended the workshop of the internationally renowned professor Arnold Dooyewerd. In Amsterdam took part in seminars with: Avishai Cohen Trio, Mike Clark, Dominique DiPiazza, Robin Eubanks, Panagiotis Andreou, Hilario Duran Trio, Enrico Pieranunzi, Dennis Mackrel, Miles Okazaki and Jeff Levenson.
In September 2015 he released his first jazz album, ''It's Time to Go''.