- Occupation Administrative officer, Local government councillor, Mayor, Parliamentarian
Jo Haylen was elected as the Member for Summer Hill, representing the Australian Labor Party in the Legislative Assembly of the New South Wales Parliament in 2015.
Before her election to Parliament, she served both as a Councillor (2012- present) and Mayor 2013-2014 of the Marrickville City Council.
- Trove: Haylen, Joanna, http://nla.gov.au/nla.party-1707727
- Ms (Jo) Joanna Elizabeth Haylen, BA MP, 2015, https://www.parliament.nsw.gov.au/prod/parlment/members.nsf/0/964764E1D7CF3AEACA257E180000A673