[3] Park then went on to work further in the NSW public service and was a chief of staff to his predecessor David Campbell, the then Minister for Transport and Roads.

[5] Later in the year, Campbell announced he would not contest the upcoming election and Park was chosen as the endorsed Labor candidate where he retained the seat.

[2] At the 2015 NSW election, Park received a large swing towards him, returning his seat to safe Labor status.

In 2016, Deputy Opposition Leader Linda Burney resigned from the NSW Parliament to contest the federal seat of Barton.

[citation needed] Park refused to contest the Labor leadership at the 2018 ballot,[7] which was ultimately won by Michael Daley.

Park again declined to contest the leadership vote[8] and on 31 March, he was named the party's acting leader in the Legislative Assembly pending the result.

[9] Following the leadership ballot and the appointment of Jodi McKay, Park was named Shadow Minister for Health, the South Coast, Housing and Homelessness.