 Alastair Clarkson, the senior coach of the Hawthorn Football Club since September 2004, is the longest serving coach in the league.He has also won the most matches (216) and premierships (4) among active coaches.John Worsfold, the senior coach of the Essendon Football Club since October 2015, has coached the most matches (371) out of any current senior coach across their respective careers, with his previous tenure at the West Coast Eagles from 2002 to 2013 in addition to his current term at Essendon.