Background
Greenslade was born in Auckland, but came to Thames, where he grew up, with his parents when he was less than two years old.
Greenslade was born in Auckland, but came to Thames, where he grew up, with his parents when he was less than two years old.
He was Mayor of Thames in 1898–1900. He resigned from the mayoralty in March 1900, as he had bought a farm in Ohaupo in the Waipa District. He contested the 1899 election in the Thames electorate, but was beaten by James McGowan in the three-person contest.