During his surgical training, he starred in the ITV documentary Surgery School.
Mr Gilleard came first in the UK national selection for plastic surgery higher specialist training in 2010. As a result, he undertook his training in centres of excellence for plastic and reconstructive surgery across the UK. He has written book chapters and published many papers in academic journals. He is on the UK specialist register for plastic surgery and has a specialist interest in Rhinoplasty, body contouring and cosmetic breast surgery.