Does ANYONE HAVE ANY REAL INFO ON WHO THE STIG IS ON TOP GEAR?

PLEASE PLEASE HAS ANYONE GOT ANY INFO OR KNOW EXACT WHO THE STIG OFF TOP GEAR IS I KNOW WHO IT USED TO BE AS HE WAS A GUEST ON THE AUTOSPORT STAND AT THE NEC MOTORSPORT CAR SHOW UP NORTH ABUT 2 YEARS AGO BUT ANYONE KNOW WHO IT IS NOW?