Callum signed for Rugby Town in July 2015 after a spell in Canada.
Powell joined Rugby as a 19-year-old left winger and previously was a product of the Northampton Town youth academy before opting to move to Vancouver within a scholarship programme with Simon Fraser University.
Callum's pace and dribbling skill caught the eye in his debut season with Valley and he signed a deal with Conference National side Wrexham in June 2016. |