Formerly, Karina was the Managing Director of Fallon London, having joined Fallon's Founding Partners in 1999, and successfully grew the agency from creative startup to a Top Ten agency. Under her leadership the agency doubled its revenue, and was awarded Campaign's UK Agency of the Year in 2006 and 2007. Fallon went on to become the most creatively awarded agency in the world (Gunn Report 2008), with creative highlights including a Cannes Grand Prix, a rare D&AD Black Pencil for Cadbury "Gorilla", and international recognition for the agency's Sony Bravia campaign.
Over ten years at Fallon, Karina ran a broad portfolio of the agency's business, from Sony to the BBC. During her time as Head of Client Services, she built one of the strongest Account Management departments in London and went on to develop an agency-wide talent pool with highly diverse skills to position Fallon as a pioneering, front-of-market company.