Urquhart Stewart is a director and co-founder of Seven Investment Management. He regularly appears as a financial pundit on the BBC, ITV and Sky commenting on the economy.
JJ Jackson, director of Performing Artistes, said: "I'm delighted Justin has agreed to join what is already a fabulous line up. His views on the economy are always insightful and highly sought after so he really is the icing on the cake for us."
The showcase will also feature Peter Sissons, Baroness Tanni Grey Thompson and Tessa Sanderson. The BBC's Naga Munchetty is hosting the event.
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