1994, 1995, 1996, 1997 British Academy/Georgian Academy of Sciences Exchange Visitor, to study gold and silver objects in Georgian museums. (Wrote: ‘Metrological reflections: the Georgian dimension’, in La mer noire: zone de contacts [Actes du VIIe Symposium de Vani (Colchide) - 26-30 IX 1994] [Paris, 1999] 117-28).
1998-2010, co-director (with A. Kakhidze) of the Oxford-Batumi Pichvnari Expedition, excavating the Greek and Colchian settlement and cemeteries at Pichvnari on the Black Sea coast of Georgia.
Pichvnari webpage: http://users.ox.ac.uk/~pichvnar/
2005-10, Chairman, Friends of Academic Research in Georgia.
Since 2009, Chairman of the Annual Pitt Rivers Symposium at Vardzia.