KM, MB, BCh, BAO(Hons), FRCPI, FRCGP, FFOM, FRSM, MICGP, MIITD, MFPHC, CMIOSH RSP, DCH, D Obst. RCPI,  H Dip Occ. Health.

Dermot qualified with honours MB, BCh,BAO degrees from U.C.D.

He completed his higher professional training in 1979.

He studied Occupational Medicine in Ireland and Birmingham.