Walter, 49, was most recently coach of South Africa's one-day international and Twenty20 teams but knows New Zealand cricket well after stints in charge of provincial teams as well as his time overseeing a Black Caps "A" tour of India in 2022.
Stead said the World Test Championship triumph in 2021 and New Zealand's 3-0 sweep of India on the sub-continent last year were the highlights of his time in charge.
Gary Stead announced Tuesday he will step down as New Zealand's white-ball cricket coach and is considering his future with the Test team.
If South Africa beat New Zealand to reach Sunday's decider, they will at least know by then if they will take on India in Dubai, or Australia in Lahore.
The Champions Trophy is the first major cricket event hosted by Pakistan in nearly three decades and is regarded as second only to the World Cup in the one-day game.
"As a young kid it was always my dream to play for New Zealand and I feel incredibly lucky and proud to have played 367 games for my country," Guptill said in an statement to New Zealand Cricket (NZC).
Santner, who has played 107 one-day internationals and 106 Twenty20 internationals, will begin his tenure with a three-match home ODI series against Sri Lanka from December 28.
The 34-year-old failed a drugs test after a domestic T20 game in January.
The White Ferns’ received a warm welcome from friends, family and fans when they landed at Christchurch airport on Friday, with the T20 World Cup trophy proudly on display.
Puketapu-Lyndon, who is also chair of the New Zealand Olympic Committee and was chief financial officer on two America's Cup campaigns, will step up from her role as deputy chair.
"The cricket, as well, is just a bonus," said batter Will Young.
The Dutch brought in Sybrand Engelbrecht for Saqib Zulfiqar and Ryan Klein replaces Logan van Beek who suffered a hamstring injury in their opening 81-run defeat against Pakistan, also in Hyderabad on Friday.
Former Bangladesh skipper Mashrafe Bin Mortaza praised the way New Zealand Cricket (NZC) announced their squad for the upcoming ODI World Cup, to be held in India in October-November.
New Zealand Cricket (NZC) announced their World Cup squad in the most wholesome of ways as they roped in the families of the chosen 15 to announce the players' names.
Williamson has scored more than 6,500 runs in one-day international cricket and led New Zealand in their nail-biting defeat by England in the 2019 World Cup final.
The batsman tore the cruciate ligaments in his right knee playing for Gujarat Titans in the Indian Premier League in April
Boult, who opted out of his contract last year, was not included in New Zealand's updated list of contracted players on Thursday but had instead signed a "casual playing agreement", New Zealand Cricket said.
Stead has held both roles since succeeding Mike Hesson in 2018, guiding New Zealand to the final of the 50-over 2019 World Cup and the inaugural World Test Championship (WTC) title in 2021
New Zealand all-rounder Daryl Mitchell is a doubt for the Twenty20 World Cup in Australia starting this month after fracturing a finger in training on Friday.
