CEI is composed of many people. The staff is formed by:
| Faculty members: | 21 |
| Post-doctoral researchers | 3 |
| Ph.D. candidates | 18 |
| Administrative & Technicians | 2 |
The team is complemented by associated (part-time) researchers, mainly undergraduate and master students who actively cooperate in the research activities.
Picture taken in March, 2012, right after the Annual Meeting: