* Nephew of former federal politician Ian McLachlan, elder brother of TV commentator Hamish. Married to Laura, their children are Edie (14), Cleo (12), Sidney (10) and Luna (five)
* Joined the AFL in 2000 from a commerce and legal background
* Appointed chief operating officer in 2008 and deputy chief executive in December 2012
* A key figure in the AFL's investigation of the Essendon drugs scandal
* Succeeded Andrew Demetriou as chief executive on April 30, 2014
* Oversaw the creation of the AFLW in 2017
* Oversaw the AFL's response to COVID-19 through 2020-21, with the league continuing despite repeated state lockdowns, especially in the AFL's Victoria heartland
* In announcing his resignation on Tuesday, McLachlan outlined a busy agenda for the rest of his time in the role, including a new broadcast rights agreement, men's and women's player collective bargaining agreements, clubs funding model and a decision on whether Tasmania should be given the AFL's 19th licence.