Warren Pickering, the man anointed by Pauline Hanson to lead One Nation in Victoria, is a former brickie and combat engineer – and a self-described conspiracy theorist.

It comes amid a shake-up of Pauline Hanson’s national leadership, with her long time chief-of-staff promoted to One Nation’s national director.

Warren Pickering, the man anointed by Pauline Hanson to lead One Nation in Victoria, is a former brickie and combat engineer – and a self-described conspiracy theorist.