For the next eight years of his time in England he taught Byzantine Literature and Greek Palaeography at Birkbeck, King's and Royal Holloway Colleges as well as at the Institute of Classical Studies, University of London.
In 1985 he founded with Julian Chrysostomides and Joseph A. Munitiz the Byzantine Literature Seminar at the Warburg Institute of London University which brought together the interests of many students and researchers.
In 1987 on the initiative of Jonathan Riley-Smith, Julian Chrysostomides and Athanasios Angelou the joint diploma / MA programme in Byzantine Studies was established at Royal Holloway College.
He has collaborated with the musical ensemble En Chordais of Thessaloniki and Kyriakos Kalaitzides, the actors Dimitri Kataleipho, Lydia Koniordou, Karyofyllia Karampeti, Moni Ovadia, Alan Bates, the singers Melihat Gülses from Turkey, the Lebanese Ghada Shbeir and musicians from Turkey, Lebanon, Italy and England with performances in London, Brussels, Venice (Saint Mark's Basilica), Athens and Plovdiv.
The concert of religious music organised with the English musician, Guy Prothero, in St Paul's Cathedral was attended by Charles, Prince of Wales, and reported in the leading article of The Times newspaper.