He became an Honorary Clinical Senior Lecturer at the Brighton and Sussex Medical School in 2003.

Des has held various managerial posts at BSUH and was appointed Medical Director there in 2009.

Since 2011 he has held the post for Medical Director at Surrey and Sussex Healthcare and was appointed as the Clinical Director of the Regional Enhancing Quality Programme, reducing variations in the management of several common clinical diagnoses within and between acute providers across all acute trusts in Kent, Surrey and Sussex.  Des was appointed as Medical Director of the KSS AHSN in 2014.  He is a regional expert and advisor to APEC, the national charity supporting action against pre-eclampsia.