James Doleman and Lauren Jenner will also officiate in Tokyo.
World Rugby has confirmed there will be no men's World Series events before Tokyo.
The opening rounds of the 2020/21 World Series have been cancelled due to the coronavirus pandemic.
Lockdown came at the ideal time for Black Fern Sevens star Kelly Brazier.
Coach Clark Laidlaw has already begun talks over a Pacific competition as a warm-up for the Tokyo Games.
COVID-19 has led to the cancellation of the World Series.
The legendary coach is stepping down from his role in charge of the national sevens side.
They've been asked to stay away from training, after symptoms in the Australian camp.
They will take on Fiji on Monday morning.