Peter Boyles, chief executive of global private banking, is appointed a group managing director, effective from 1 October 2013. Boyles joined HSBC in 1975 and has worked in Asia, the Middle East and Europe. He was named a group general manager in 2006. He was CEO for HSBC France from 2007 to 2010 and chief executive of Continental Europe from 2010 to 2012. Boyles took up his latest role in December last year; he is based in Geneva and reports to the Stuart Gulliver, group CEO.

The firm appointed Simon Cooper as group managing director and chief executive of global commercial banking, effective from 1 October. Cooper will be based in London and will report to Gulliver.

Cooper joined HSBC in 1989 and has worked in the UK, Asia and the Middle East. He was CEO of HSBC Korea from 2006 to 2009 and appointed a group general manager in 2008 and deputy chairman and CEO of HSBC Middle East and North Africa in 2009. Cooper succeeds Alan Keir.

Keir, a group managing director, has been named CEO of HSBC Bank, effective from 1 October. Keir will continue to be based in London and report to the Gulliver. (In his new role, he oversees the group's operations in the UK, Continental Europe, Turkey, Bermuda, the Middle East and Africa.)

Keir joined HSBC in 1981 and has worked in the UK and Asia. He was appointed a group general manager in 2008 and a group managing director and global head of commercial banking in January 2011. Keir succeeds Brian Robertson.

Robertson will retire as group managing director and CEO of HSBC Bank after 38 years. He will assist Keir with the transition, and retire early next year. Robertson will become chairman of HSBC Latin America and a director of HSBC North America Holdings effective January 2014. He will continue as a director of HSBC Malta and chairman of HSBC Turkey.

Robertson joined HSBC in 1975 and has worked in the UK, the United Arab Emirates, Oman, Hong Kong, the US and Canada in a series of credit, risk and business roles, including group chief risk officer. He was appointed a group managing director in 2008 and CEO of HSBC Bank in 2010.

Mohammad Al Tuwaijri is appointed deputy chairman and CEO of HSBC Middle East and North Africa, effective from 1 October 2013. Al Tuwaijri joined HSBC associate, The Saudi British Bank, in 1995 in Riyadh, where he was head of risk management, deputy treasurer and then treasurer. He joined HSBC Middle East in 2010 in Dubai as head of global banking and markets, Middle East and North Africa. Before becoming a banker, Al Tuwaijri was a pilot in the Royal Saudi Air Force.

Al Tuwaijri will continue to be based in Dubai and in his new role will report to Keir.

Al Tuwaijri, who succeeds Cooper, will also continue to oversee global banking and markets in the region.