About Cosi


Cosi Costello


He's the former pig farmer from Kadina who made it in the big smoke!!! ... Cosi hit the SAFM radio waves 15 years ago and put on that much weight he landed a gig on Channel Tens hit series The Biggest Loser!!!

Cosi was born in Murray Bridge and then grew up in Kadina on the Yorke Peninsula.  Cosi joined Amanda Blair and james Brayshaw on the SAFM team after winning the SAFM GREAT RACE in 2000.

Eight years of gaining weight was turned around when Cosi joined the BIGGEST LOSER. In four months he whipped himself back into shape while his local fish and chip shop battles bankruptcy.

Cosi is a family man, and loves his beautiful wife Sam and their three children.

SOUTH AUSSIE WITH COSI is now a household name in SA and has been on air over 6 years!  It combines Cosi’s three loves his family, his state and travelling. Cosi is all things South Australian, he is proud and passionate about his state and wouldn’t live anywhere else.

Cosi won the Young Journalist Of The Year Award for his report on homelessness. He also picked up the Australia Commercial Radio Award for Best Documentary 'Rising Homelessness'.

Cosi has one of the states strongest social media followings with over 250,000 South Aussies following his daily movements on social media! 




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