DW
The basics
Quick facts
Intro
New Zealand cricket umpire
Gender:
Male
Places:
Work field:
Birth:
23 November 1959(Dunedin, Dunedin City, Otago Region, New Zealand)
Star sign:
The details
Biography
Derek John Walker (born 23 November 1959) is a New Zealand cricket umpire and former player. He was a member of the International Panel of Umpires and Referees until June 2016, when he was demoted to New Zealand's national panel.