Gary Bullock

Gary John "Blocker" Bullock is an Australian trade unionist who currently serves as the National Secretary of the United Workers Union (UWU), the largest blue collar union in Australia.

He previously served as the National President and Queensland branch General Secretary of United Voice prior to its merger with the National Union of Workers to form UWU in 2019. He also serves as an elected left faction member of the Australian Labor Party National Executive and has been described as "the most powerful man in Queensland" and a Queensland Labor "Kingmaker." Critics have described him as a "factional warlord."

Bullock has also served as Employee Director and Deputy Co-chair of the board at Superannuation fund Hostplus since 2021. He previously served as a Director of InTrust Super from 2004 to 2021, serving as chair from 2016 until his departure.