Complex sentence: Professor Brian MacCraith is the current president of Dublin City University, a faculty which he joined in 1986 and the former director of the Biomedical Diagnostics Insitute (BDI).
Split into simpler sentences: Professor Brian MacCraith is the current president of Dublin City University, a faculty which he joined in 1986. He is, also, the former director of the Biomedical Diagnostics Insitute (BDI).