4: #4 Ciaran O'Kane, WireCorp

<div>For over a decade now, Ciaran O'Kane has been one of the industry's most outspoken and interesting commentators. Ciaran is CEO of WireCorp, a B2B publishing business that counts Exchangewire, Fast Growth Brands and The Gaming Economy amongst its titles. Here Ciaran joins Vincent Flood, Editor-in-Chief of Video Ad News, to discuss how the 'pandession' is likely to hit the industry, GAFA, ad tech innovation in Europe and where he'd invest £100 million if he had it today.</div>