[1] Carroll joined Labor at the age of 21 while living in Mount Macedon in rural Victoria.
[3] He has also previously been employed as a Ministerial Advisor to the Victorian Treasurer, Adviser to the Minister for Finance and Consumer Affairs and as an Adviser to the Minister for Gaming and Consumer Affairs.
[4] He is known for his bluntness, strategic mind and is considered a very close confidant of Labor Leader Bill Shorten[4] and previously worked for Senators Stephen Conroy and Robert Ray.
Caroll resigned from the position of National Secretary in July 2019 following Labor's defeat at the 2019 Australian federal election.
[8] Caroll has a wife, Sarah, and has two children, daughter, Isabella and son, Harrison.