[1] Hollis was secretary of the Jamberoo branch of the Australian Labor Party (ALP) from 1977 to 1983.
[1] Hollis was a deputy chairman of committees from 1989 to 1994 and served on the speaker's panel from 1994 to 2001.
[5] In 1994 he accused the right faction of branch stacking in his electorate using members of the Macedonian community.
[7] In 2001, he lodged an unsuccessful discrimination case against the federal government in the Human Rights and Equal Opportunity Commission over its failure to reimburse travel costs for the same-sex partners of MPs[8] when travelling with the M.P.
[9] Hollis has been involved in creating, and maintaining, the rose beds in Peace Park Kiama .