Our Team


Dr Olivia Ignatiou first discovered her love for dental care, working as a dental assistant for Dr Roy Robertson in the 1990’s. She followed her passion, and graduated with honours from Sydney University in 2003. Since then, she has worked in private practice in Sydney and on the central coast.

Olivia loves her job and she takes pride in looking after her patients, like they are family. Olivia particularly enjoys cosmetic and children’s dentistry.

Olivia lives locally with her husband, 4 children, 2 dogs and a fish. She enjoys going out for dinner and relaxing with her family.


Dr Roy Robertson graduated from Otago University and gained considerable experience working as a dental surgeon in New Zealand. He developed and extended his skills further, working in Africa, England and Germany for several years. During these years he developed a keen interest in cosmetic dentistry as well as crown and bridge work.

Roy has now been in Sydney for more than 30 years providing dental care to the local community in Dural and the surrounding suburbs. His skills and experience have supported the community with high quality preventive, cosmetic and restorative work.

His other interests include running, skiing, bush walking, travelling and spending time with his family.


Dr Rina Chrun is a gentle, patient and caring dentist, who looks forward to creating positive dental relationships and experiences for all her patients.

Rina obtained a Bachelor of Pharmacy from the University of Sydney before completing a postgraduate Doctor of Dental Surgery from the University of Melbourne. Prior to joining Round Corner Dental, Rina practiced in metropolitan and regional Victoria, and Newcastle NSW.

Rina is experienced in treating patients of all ages and needs, and enjoys all aspects of dentistry. She has a special interest in preventative and restorative dental care and oral surgery.

Outside of dentistry, Rina enjoys spending her time horse riding, hiking, skiing and relaxing with family and friends. Get to know more about Dr. Rina when you visit us for your next dental appointment.