- 19 Age
- 91kg Weight
- 183cm Height
A talented utility back Tupou represented the Australian U20s at the 2017 U20 World Championship after some stellar performances for the Rebels U20s side.
He made appearances in all of the Australian sides matches and on 12 July 2017 he was named in the Rebels starting 23 in their final fixture of the 2017 Super Rugby season against the Jaguares.
Semisi scored his first try for the Melbourne Rebels in Round 12 of the 2018 Super Rugby season against the Brumbies.