Born in Cardiff, Maynard attended Pentyrch Primary School, Radyr Comprehensive School, Whitchurch High School and Millfield School and made his way up the ranks with Glamorgan, starting in the county's Under-17s side at the age of 15.
Born in Cardiff, Maynard attended Pentyrch Primary School, Radyr Comprehensive School, and then moved to Millfield School before attending Whitchurch High School for sixth form. Tom made his way up the ranks with Glamorgan, starting in the county's Under-17s side at the age of 15.