Dylan Hedges
From Star Trek : Freedom's Wiki
Dylan Hedges is a Petty Officer Nurse serving on the USS Dennison. He is in his thirties, and is a member of the night shift medical team. Dylan Hedges hails from Christchurch, New Zealand, and joined Starfleet at the age of 18. Now in his thirties, he is proficient in advanced first aid techniques; he is also involved in training staff in first aid.
He had a "been there, seen everything, patched it up" attitude to life on board a starship.