David James Koch AM (/ˈkɒʃ/ KOSH), nicknamed "Kochie" (/ˈkɒʃi/ KOSH-ee), is an Australian television presenter and financial journalist.

[1] He began his media career in Adelaide as a financial journalist, writing for a number of different publications before eventually moving to television.

[citation needed] Koch started as a cadet on the business pages of The Australian newspaper before joining BRW magazine soon after its launch in the early 1980s.

He was one of the founders of consumer finance journalism in Australia and created Personal Investment magazine, which made him the youngest editor in the Fairfax Media group.

business and financial commentary for several publications, including Pacific Magazines, Yahoo Finance, and the "Your Money" section of News Ltd newspapers.

director of Pinstripe Media Pty Ltd, he speaks regularly at corporate events about small business, finance and investment issues.

[4] In 2007, Koch launched Pinstripe Media, a video production and content marketing agency that manages a network of sites including Startup Daily, Flying Solo and Kochie's Business Builders.

He and his original co-host, Melissa Doyle, hosted the program over a period that saw viewer ratings grow until Sunrise became the leading breakfast television show in Australia.

[10] In August 2022, the Seven Network released a statement declaring Sunrise had won the breakfast TV ratings in its timeslot for the 19th year in a row.

After a 21-year tenure, he is Australia's longest-serving breakfast television host, having broadcast 16,000 hours of live TV across 5,300 shows, and conducted 50,000 interviews.

[citation needed] Previously Australia had the highest level of registered organ donors per head of population in the world but one of the lowest transplant rates.

Koch was Chairman of the 'Organ and Tissue Authority Advisory Council' but resigned on-air, during a Sunrise broadcast on 27 May 2015, in protest over a government review of organ donation.