Peter Harrison was the first President of the NZOSS in 2003, having organised it's formation after a open letter to Government in 2002. Harrison has been a software developer since entering the industry in 1990. In 2005 he began a campaign against software patents. This included opposing two software patents around XML word processing documents. It also included writing submissions to Government promoting a exclusion in the Patent Bill for software. In 2007 Harrison received the 'Open Source Ambassador' award at the New Zealand Open Source Awards. He stood down from the Presidency in 2007 and has continued as Vice President.