Anthony Jenkins, the chief executive of British bank Barclays, was fired earlier this month and until he is replaced, executive duties will be carried out by John MacFarlane – the chairman who suggested he would speed up the bank's turnaround efforts when he took the post in April.
Read MoreBarclays Chairman: Jenkins 'not the right person'
Standard Chartered, which has a focus on emerging markets, meanwhile said on Sunday that CEO Bill Winters, who took over in June after leaving JPMorgan, will take more direct responsibility for the bank's largest business divisions with a new management structure being phased in from October.
"Now that you have MacFarlane who knows what the future will be at Barclays and with Bill Winters at Stan Chartered you have very interesting situations," Ground said.
Meanwhile, Deutsche Bank in May boosted the powers of co-chief executive Anshu Jain in a management shakeup, while in June Tidjane Thiam, the former CEO at U.K. insurer Prudential, started his new role as CEO of Swiss bank Credit Suisse.