1. 2008

2. Developing a virtual environment for training in visceral interventional radiology

   Vidal, F. (Siaradwr)

   11 Meh 2008 → 13 Meh 2008

   Gweithgaredd: Arall › Mathau o waith ymgysylltu academaidd allanol - Anerchiad fel siaradwr gwadd

3. Institute of Electrical and Electronics Engineers (IEEE) (Sefydliad allanol)

   Ritsos, P. (Aelod)

   2008 → …

   Gweithgaredd: Aelodaeth › Aelodaeth o bwyllgor

4. 2002

5. Technical Chamber of Greece (TEE) (Sefydliad allanol)

   Ritsos, P. (Aelod)

   2002 → …

   Gweithgaredd: Aelodaeth › Aelodaeth o bwyllgor