Kelly is now a sports columnist for the Daily Mail, a pundit on BBC1's Inside Sport alongside Gabby Logan, an Executive Consultant for the PR agency Hill & Knowlton  and director of the internet company Fast Web Media.
Kelly is a regular guest on BBC Radio Five Live shows Fighting Talk, The Simon Mayo Show, Sportsweek and the BBC Radio 4 Today programme. He often appears on BBC Breakfast and GMTV and has been a contributor to a number of programmes, including BBC's Britain's Most Annoying People; The Noughties... Was That It? and others.
A Fighting Talk favourite, he is nicknamed 'The Fonz' and 'The Fruit Machine' on the show. Kelly was famously the only guest to show up at the first Fighting Talk party which host Colin Murray had cancelled during the previous week, something for which he is teased about when he appears. He is also known as 'The Fruit Machine' in honour of a popular fancy dress anecdote. His Fighting Talk theme tunes are Happy Days and a traditional Irish reel .
He has made television appearances on the BBC's Match of the Day 2 - and remains the only journalist to appear as pundit on either Match of the Day show. He has also guested on Channel 4's Clive Anderson's Sports Talk Show, Ant and Dec's Family Fortunes on ITV, Sky Sports' Hold the Back Page show and one of his first assignments was to provide live reports for Sky News from England's 3-0 win over Poland in 1989. He was previously a columnist for The Sunday Times, has written for GQ, appeared in the German newspaper Bild and also L'Équipe in France.
At Hill and Knowlton he has been Master of Ceremonies at various corporate nights alongside supermodels Jerry Hall and Petra Nemcova, football manager Arsène Wenger, the BBC Match of the Day team, Cilla Black, chef Antony Worrall Thompson, and cricketers Nasser Hussein and Jeff Thomson.
Kelly is patron of the Great Britain Blind Football team and opened the new Royal National College For The Blind Paralympic Centre in Hereford. He is also a judge for the Football League Awards, is on the judging panel for the Laureus World Sports Awards and is part of the judging panel for The International Property Awards .
A past winner of the SJA Sports Columnist of the Year award, Kelly has been UKPG nominated as Sports Writer of the Year and highly commended twice more by the Sports Journalists' Association since 1999 for his articles.
He has completed two London Marathons, the Network Q Rally of Great Britain twice  , the Arctic Rally, the Belgium Bianchi Rally and others. He took part in the world's first two-seater F1 race with Fernando Alonso at Donington Park. He completed in the 2007 Isle of Wight Round The Island race on board an Extreme 40 sailing boat and has run with the bulls in Pamplona .
His partner is TV presenter Carol Vorderman. After meeting at a Christmas party in 1999, they lived together in London from 2001. They separated briefly in December 2006 , but are back together and live in Bristol.