OakNorth, the digital lender backed by Softbank, has appointed former City watchdog head Lord Adair Turner to the role of chair as it considers a stock market listing in London, the US or both. OakNorth, which launched in 2015 as a digital lender focused on small and medium-sized businesses, was most recently valued at $2.8b in 2019 in a funding round led by SoftBank's Vision Fund.