Smith was born in Manila in the Philippines and picked up the game at the age of 7 with Centaurs RFC when his family decided to move to Singapore, he learnt the game there before moving to Sussex as a 13-year old
His Dad, Jeremy Smith lived in Hong Kong from 1992-97, playing for Valley and the national side at fly-half
At just 18 years of age and 200 days, he made his Premiership debut at Twickenham to become the youngest fly-half to start in the top flight since a 17-year old George Ford
He is known to many of his teammates as Smudge, which is the traditional military nickname for anyone with the surname Smith.