Christopher Angel Walker Gjevnøe is a songwriter, producer, artist, author, and film director. He is best known as frontman for the band Substereo. Chris was born in Vienna, Austria. His Mother Patricia Barreda is a Mexican/American concert pianist (niece of artist Diego Rivera), and his father Kurt Gjevnøe was a Danish sociologist and author known by the pen name 'Uro Conrado'. Chris grew up in Vienna until the age of 10, when he moved to Topsfield, Massachusetts (USA). At the age of 13 he moved to Queretaro, Mexico with his father, and then back to the US to Oklahoma City, Oklahoma. At the age of 19 he joined the Danish Army where he reached the rank of Captain. He was deployed with The British 7th Armoured Brigade to Iraq during Operation Iraqi Freedom, and then later to Ethiopia as a United Nations Observer.

in 2013 Chris worked on Substereo's debut album 'Fuel for The Revolution' with American multi-platinum award winning record producer Dito Godwin (No Doubt, Mötley Crüe). After the release of the album Chris directed and produced the music video for Substereo's singles 'Cry Freedom', and 'Rollin' Daisies'. In 2016 he wrote, recorded and produced the band's second album 'Nowhereland', The album was based on a novelette by the same name, which he also authored and illustrated.

In addition to the novelette illustrations, Chris also painted the art work for all Substereo albums to date (oil/acrylic/water), and has worked on a number of commissioned works. In 2017, Chris was academically trained in music production by Grammy award winning producer Pete Smith (The Police, Van Morrison, Joe Cocker).

Chris has directed and produced music video's for Florea's 'Someday I'll be there' (2017), The Viders 'Never be Sober' (2017), and The Factory's 'The Pressure' (2016).