Prince Marketing Group booked the NFL GOAT and 7X Super Bowl champion Tom Brady for the 10X Growth Conference 2023. Billionaire entrepreneur Grant Cardone conducted a fireside chat in front of 6,000 guests at the MGM theatre in Las Vegas with over 80,000 guests online around the world.Prince Marketing Group booked the NFL GOAT and 7X Super Bowl champion Tom Brady for the 10X Growth Conference 2023. Billionaire entrepreneur Grant Cardone conducted a fireside chat in front of 6,000 guests at the MGM theatre in Las Vegas with over 80,000 guests online around the world.