The coronavirus pandemic has accelerated their use of technologies such as cloud and AI, as more of customers have needed to access their services remotely, and employees have been working from home.
Singapore-based Tay, currently on gardening leave, has been with JPMorgan for a decade and previously worked in the M&A team at UBS in New York and at other firms including Standard Chartered.
At Barclays, senior banker Sandeep Pahwa who is vice chairman and head of Asia Pacific client coverage, will become chairman, while handing over the Southeast Asia responsibilities to Tay, one of the sources said.
Judge David Waksman said on Friday that the claim of Staveley's PCP Capital Partners group, which has claimed damages of around 836 million pounds ($1.16 billion), "as a whole must fail".
The bank said that group income edged up 1.0 percent last year to £21.8 billion, as a hefty drop in consumer payments offset a strong performance by its investment bank division.
The mid-cap FTSE 250 index, considered a barometer of Brexit sentiment, rose 0.1%, ahead of a vote by British lawmakers on the UK-EU trade deal later in the day.