In 2014 and 2015, Gorman worked as Director of Public Affairs for the United Voice union, which is part of the Labor Left faction.

[1][4][5] In 2015, Gorman replaced Simon Mead as the State Secretary of WA Labor, with the backing of United Voice.

Mead had resigned after losing support from WA Labor leader Mark McGowan, and United Voice.

This came after first-term MP Tim Hammond resigned from parliament, citing that he wanted to spend more time with his family.

[1][5] In October 2021, Gorman announced his support for changing the date of Australia Day, having previously been against the idea.