Robert Peter Mills was born in London in 1950. He attended Sevenoaks School and trained as a doctor at the London Medical College. After completing his postgraduate training in London and Bristol, he worked as a consultant otolaryngologist (ENT surgeon) in Dundee. In 1998 he moved to Edinburgh where he became professor of otolaryngology.  

After retiring from the British Health Service and his marriage to a Thai doctor, he moved to Khon Kaen in Thailand. He teaches on two ear surgery courses in Thailand and is a board member and trustee of a UK charity, the Britain Nepal Otology Service. He has three children from his first marriage: Emily, a doctor, Nicholas, an architect, and Alexa, a solicitor.

His novel, Tiger Heart, was published by Bangkok Books in 2011. His short story, The Ladies Man, was published in Radgepacket 6: Tales from the Inner Cities by Biker Books in 2012. His short play, Under Sydenham Hill (A play for voices) was performed by the Citadel Theatre Group on April 16^th, 2007.