She was previously a Yarra Ranges Shire councillor, representing Lyster Ward from 2005 until her election to the Upper House in 2014, being successfully reelected in 2008 and 2012. In 2012 she achieved a 53% primary vote, a record for any Greens candidate in Australia. During her time as a local Councillor she was President of the VLGA and the Eastern Transport Coalition.

Samantha Dunn (born 18 June 1964) is a former Australian politician. She was a Greens member of the Victorian Legislative Council, representing Eastern Metropolitan Region from 2014 to 2018. She lost her seat at the 2018 state election, and subsequently resigned from the party.