Cozens was spotted by the Bauer Radio owned Kiss 100, after featuring on Channel 4's Soundclash, originally he presented weekends and early breakfast and later also evenings on Kiss 101 and Kiss 105-108. He has interviewed Chipmunk, Chris Brown, Estelle, Tinie Tempah and more at Kiss 100.
He joined Global Radio on 3 January 2011 as a presenter on Capital. initially presenting the early breakfast show weekdays from 3am-6am. He soon also took on the Sunday afternoon slot in addition to his early breakfast duties. Between November 2011 and December 2011 he covered the Capital London drivetime show from 4pm-7pm. He then moved to weekend afternoons and the early breakfast show Monday-Wednesday. Will moved to the stations networked late show form 10pm-2am Monday-Thursday & Capital Londons weekend breakfast show from 8am-12noon. Cozens previously hosted Saturday drivetime at the start of 2016. Will currently presents Monday-Wednesday nights on the network and weekends 12pm-4pm on [[Capital London  and Sunday afternoons across Capital London. Between 21 November and 30 December 2011 he presented weekday drivetime on Capital London.
Cozens is also an electronic music DJ.
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