Dermot has been working at Aspetar Hospital in Doha, Qatar where he treats international level athletes of many sporting codes including football, athletics, volleyball and handball. Dermot has played a key role in the development of the hamstring and rectus femoris rehabilitation protocols that are utilised globally.

Dermot has previously worked with the Qatar National Football Team and was part of the medical team for the victorious 2019 Asian Cup team as well as Copa America 2019 in Brazil.