[1] Haddad graduated with degrees in arts and law from the University of Tasmania before working in the electorate office of the former federal member for Denison, Duncan Kerr.
These included roles in the offices of former Attorneys-General of Tasmania, Judy Jackson and her successor, Steve Kons, Lisa Singh when she was a member of the Tasmanian parliament, and Rebecca White MP.
Haddad has also served as president of the Tasmanian branch of the Fabian Society, a think tank researching progressive political ideas and public policy reform.
[5] Since Haddad's election to parliament, she has focussed on taking a progressive stance on policy positions such as law reform,[6] housing[7][8] and transgenderism.
[14] Haddad was reelected in the 2024 Tasmanian election as the first candidate to reach the quota in Clark, and subsequently received the health portfolio in Labor leader Dean Winter's shadow ministry.