Harry joined the practice in 1992, after qualifying with an honours degree from University College Cork, Ireland. Having been an associate for 5 years, Harry became a partner in 1997. With the retirement of Dr. Jonathan Cutler in 2001, Harry became Principal Dentist, and the practice name changed to Apollo Dental Health Clinic Ltd.
Harry practices in general family dentistry and is a part-time clinical tutor at the Barts. & The London University out-reach clinic in Southend, where he tutors final-year dentistry undergraduates. Harry is currently enrolled in a 2-year part-time course at the Faculty of General Dental Practitioners, Royal College of Surgeons, London, with the view to completing a Diploma in Restorative Dentistry. He is married to Mary, also a dentist at the practice.