Former CEO of Visa UK and Ireland, the company’s second most important market. During Mr. O'Brien's time as CEO, Visa’s business doubled from $250 to $600 million with market share of debit card payments increasing to 97% Marc has been a key advisor on some of the most exciting startups in the UK, including Revolut, Britain’s first digital bank unicorn Marc also advised the UK's Royal Mint on the possible creation of a Gold backed Crypto Token