He lost his place when NZ First failed to win any seats in the National Party's return to Government in 2008, and then spent four years as Mayor of Carterton before standing down in 2014, when he regained a seat in the House.
A feature of the last two elections has been his support at the ballot box with 8630 votes in 2014 and 7753 in 2017, more than double the votes received by most third-placed candidates in other electorates,
Mark said the Labour-NZ First Coalition had done a lot of good work throughout the Wairarapa, but constituents had told him they "need someone with teeth to represent them".
"I was born and raised here, I've served the community as the Mayor of Carterton, I have deep roots in the community and I have the résumé and motivation to represent the 'Rapa," he said.
Wairarapa is one of the most vast of the non-Māori electorates, stretching more than 270km north to south, and while it is dominated by Masterton with a population of about 20,000 (one of 10 towns in the electorate with populations over 1500, Mark said: "The electorate is immense, you will see me on the road from Cape Palliser to Waipawa and Herbertville to Woodville."