William Brown is an Australian racing driver currently competing in the Repco Supercars Championship with Triple Eight Race Engineering, driving the No. 1 Chevrolet ZL1, in the NASCAR Cup Series, driving the No. 13 Chevrolet ZL1 for Kaulig Racing, and in the NASCAR Xfinity Series, driving the No. 11 Chevrolet SS for Kaulig Racing. Brown won the 2024 Supercars Championship driving for Triple Eight Race Engineering. From Wikipedia