"For sure, with hindsight with what we know now, I deeply regret having any relationship with Jeffrey," Jes Staley said.
Peter Teich, from Cambridge, U.K., said his inheritance was put in someone else's bank account and that person refused to return the money.
Telephone and online banking customers will be able to use their accounts using only their voice.
The number of consumers aged over 65 is expected to rise by 1.1 million in the next five years.
The British bank will sell its 62 percent stake in Barclays Africa Group.
Authorities in the United States and Europe have fined seven banks over $10 billion.
More than a quarter of customers use mobile banking while tech firms Google and Apple offer payment services.
The UK Serious Fraud Office have stepped up their criminal probe into the suspected Euribor rate manipulation.