[1] Chunn was born in London, England, he spent eleven years as Director of New Zealand operations for the Australasian Performing Right Association (APRA), retiring from the role at the end of October 2003.

He was CEO of Play It Strange Trust until November 2023, which encourages teenagers to try songwriting, and which he founded in April 2004.

In the 2002 Queen's Birthday and Golden Jubilee Honours, Chunn was appointed an Officer of the New Zealand Order of Merit, for services to music.

[3] He was promoted to Companion of the same order in the 2015 New Year Honours, for services to music and mental health awareness.

[4] Chunn has been involved in numerous endeavours, including founding the Play it Strange Trust.