Gatland debuted for the Mooloos at ITM Cup level in 2015 before spending several years in the Waikato.
He was part of the Blues development side during the 2016 Super Rugby season, returning to the city of sails where he previously played for a Blues Schools side back in 2013.
Gatland is the son of kiwi-born Welsh international coach, Warren Gatland.
Joining North Harbour in the 2016 season from Waikato, he helped North Harbour win the Mitre 10 Cup Premiership title with a late drop goal against Otago in Dunedin.
In 2016 he was called into the squad as temporary injury cover when the Crusaders lost Richie Mo’unga for eight weeks with a broken hand.
Gatland was called into the Blues squad early in the 2017 Super Rugby season as injury cover for Piers Francis and Ihaia West.
Gatland faced his father's side, the British and Irish Lions, when he represented the Provincial Barbarians side against the Lions in their tour opener in Whangarei on June 3.
Following impressive performances for the Blues and for Provincial Barbarians Gatland signed a one-year deal for the 2018 Super Rugby competition
In May 2018, he signed a two-year deal with the Highlanders as the squad was looking to replace Lima Sopoaga, who left for the U.K.
Gatland's first season with the Highlanders was cut short after he broke his leg against the Sunwolves.
He will start his second season with the Highlanders with 19 Super Rugby caps.
JW April 19
|2016 - present|
|NZ Provincial Barbarians XV
|2017 - present|
|Hamilton Boys High School
|2019 - present|
|2015 - 2016|
|2017 - 2018|