When our doors re-opened, 98 per cent of team members returned. When most organizations were experiencing the ‘Great Resignation’ during the Covid-19 pandemic, we saw the opposite happening here at Graton Resort & Casino. Greg Sarris, chairman Federated Indians of Graton Rancheria, said: “As we celebrate our 10th anniversary, I’d like to acknowledge our dedicated team members who go above and beyond every day to make sure that our property is the best of the best. US.- Graton Resort & Casino is celebrating its 10th anniversary in Rohnert Park, California. The venue in Rohnert Park, California, broke ground on a $1bn expansion in June.