ZURICH (Reuters) -UBS has nominated Australian financial executive Gail Kelly to its board, the Swiss bank said on Friday, highlighting her experience of navigating banking mergers. The appointment could prove helpful to UBS, which is currently integrating Credit Suisse following its takeover last year. Kelly, who has been a senior global advisor to UBS since 2023, was previously chief executive at St George Bank and Westpac Bank Corporation in Australia. During her CEO tenure, she navigated the merger of the two banks in 2008, the largest financial services merger in Australia, UBS said. “As …