| Name | Dates | Area of interest | Confirmed? |
| Tosin Mewomo (University of Abeokuta, Nigeria) | 29 January - 19 February 2007 | Banach algebras | Yes |
| Pere Ara (Universitat Autònoma de Barcelona) | 11-18 February 2007 | C*-Algebras | Yes |
| Kamila Klis (Krakow, Poland) | 3-18 March 2007 | Operator algebras | Yes |
| Wilberd van der Kallen (Utrecht) | 10-17 June 2007 | Algebra | Yes |
| Aisling McCuskey (NUI Galway) | 2 - 6 July 2007 | Topology | Yes |
| David Gauld (Auckland) | 2 - 6 July 2007 | Topology | Yes |
| Adrian Wadsworth (U California, San Diego) | 1 - 31 October 2007 | Algebra | Yes |
| Viktor Shulman (Vologda, Russia) | 7 - 11 November 2007 | Operator algebras | Yes |
| V Felouzis (Samos) | 17 November - 2 December 2007 | Operator algebras | Yes |
| Gerard Buskes (Oxford, Mississippi) | 17 November - 24 November 2007 | Vector lattices | Yes |
| Niki Tsolakidou (Aristotle University of Thessaloniki) | Algebra |
