[2] Alongside schoolmate and friend Glenn Hugill, now a major television executive, he pursued interests in music and film as "portal to other things that we didn't really know about"[5] Deacon initially wanted to become a marine biologist, but he failed his chemistry A-level.

[7] After completing his course he went on to study at Central St Martins and was in the same class as fashion designers Alexander McQueen and Luella Bartley.

[8][9] He graduated in 1992 and began collaborating on the label 'Doran Deacon' with his friend, Fi Doran as well as contributing illustrations to Dazed & Confused.

[9] During his time in Paris, Deacon was hired to work with fashion designer Jean-Charles de Castelbajac, where he learned how to use a brand name commercially.

[9][10] During this time, Deacon met the owner of Italian luxury goods house, Bottega Veneta, and was hired to work for the company, becoming the head designer and debuting an acclaimed collection in 2001.

Deacon was dismissed in 2001 when the Gucci group bought the company and terminated his contract, so they could hire German designer, Tomas Maier.

[8][14] He launched his first collection at London Fashion Week in February 2004, styled by his friend Katie Grand, the show saw models Karen Elson, Lily Cole, Eva Herzigova and Linda Evangelista walking the catwalk.

[15] Deacon regularly showed at London Fashion Week and the GILES collection is bought by over thirty retail stores including Barneys, Harvey Nichols and Selfridges.

[16] Several actresses, including Cate Blanchett and Kerry Washington, have worn Deacon's dresses at red carpet events.

[20] On 19 September 2010, Deacon made a return to London Fashion Week, after spending two years showing his collection in Paris.

[6] Vogue previewed the new collection, which was designed by Deacon, styled by Grand and accessorised by Katie Hillier and Stephen Jones, on their website.

[22] Vogue reporter, Dolly Jones, described the collection as one of the "most hotly anticipated shows" of the week and she added "[Deacon] looks like he'll be credited with bringing the house of Ungaro back to life, at last.

[21] At the 2008 London Fashion Week, Deacon presented a collection with a futuristic theme based on the 1980s arcade game Pac-Man.

[36] On choosing to collaborate with the clothing retailer, Deacon said: "I chose New Look as the high street store to work with, as we both have a sense of fun and believe in fashion for everyone.

In addition to this, he created a limited edition scarf combining the Cadbury Caramel Bunny’s eyes with coloured chains and pink bows.

The collection titled Giles Deacon for Edition was modelled by Daisy Lowe and featured "beautiful dresses, bold prints and luxe outerwear".