Daryl John Harper, also known as Daryl Harper, was born in the year 1951 in Australia. He attended Norwood High School before he started as a primary school teacher. He had a brief career as an Australian football referee before an injury forced him to quit. He began his umpiring career in the year 1983 and was the first umpire from Australia to be selected into the Elite Umpires Panel of the ICC on 2002, and continued as an elite umpire till 2011. He was also an International Test umpire between 1998 and 2011. Harper had a brilliant career as an umpire as he officiated at 94 tests and 174 ODIs in total. Later, in the year 2011, ICC announced that Harper was being stood down at the termination of his contract in July 2011. In June 2011, following criticism from India during the India West Indies Test series, Harper retired from umpiring. He was honoured with the ICC Bronze Bails Award for umpiring in 100 ODIs.