British insurer Aviva has appointed John Lister as UK chief risk officer, effective from March 2012, subject to FSA approval.

As chief risk officer, Lister will be responsible for leading the risk management and governance agenda of the UK business.

He will report to new UK CEO Trevor Matthews with an independent functional reporting line to Aviva chief risk officer Robin Spencer.

John will succeed Craig Thornton, who became UK commercial director on November 1.

In 2003 he was appointed with-profits actuary for all Norwich Union life companies until he became chief actuary in 2005.

He also held senior roles for product design, reinsurance and with-profits and was responsible for the reattribution of the inherited estate in 2009, and is part of the global finance executive team delivering greater transparency in financial reporting.