Greg O'Shea is an Australian record producer, audio engineer, mix engineer and musician, who has worked extensively in Canada, most notably with k-os.
O'Shea started his recording career at Melbourne's Metropolis Studios in 1990. He was the assistant engineer on albums by The Badloves, Things of Stone and Wood, Deborah Conway, Tim Finn, The Black Sorrows and Chocolate Starfish, as well as the Australian cast recording of Jesus Christ Superstar. He also worked with Michael Hutchence on his cover of Under My Thumb for the 1994 album Symphonic Music of The Rolling Stones.
O'Shea's film soundtrack credits include Metal Skin (second engineer),Idiot Box (assistant engineer), The Myth of Fingerprints (assistant engineer) and When Morning Comes (engineered, mixed and mastered).
Moving to Canada in 1999, O'Shea was based at Toronto's Umbrella Sound. He worked on albums by Tegan and Sara (This Business of Art), Feist (Open Season), By Divine Right (Good Morning Beautiful), Sarah Slean (Night Bugs), Starling (Stuff You Should Have Said Before) Elliott Brood (Ambassador), The Flashing Lights (Sweet Release) and Rascalz (Reloaded).
O'Shea also received critical praise for producing the mini-album by Toronto alt-rockers Hotel (My Demon Brother).