Theo is the son of Christine Nabobbob and James Gulamuwu.
He was born in Gunbalanya and went to secondary school at Kormilda College in Darwin.
Theo has worked as a tour guide for Jawoyn in the Katherine region as well as for various other organisations around the top end and interstate. He holds a certificate in Tourism (Australian Indigenous Culture).
Currently Theo is not producing much art because he has two small children.