Gauff was filmed smashing a racket after losing to Elina Svitolina in a clip that was widely broadcast.

Sinner is serving a three-month suspension that expires on May 4 after returning two positive tests last year.

Neville already has a hands-on role in the company following his appointment earlier this year as UK chairman of Consello.

The Williams deal follows Mr Kelly early last month landing one of the UK’s leading sports figures for his global advisory and leadership development firm after netting Manchester United legend Gary Neville.