Overall ratings affirmation and stand-alone credit profile upgrade to 'a+' come as the RAA Insurance deal lifts insurer to third in the country's property and casualty market.
The offering provides SMEs with bundled coverage tailored to their unique risk profiles, eliminating the need to purchase and manage multiple policies.
He joins Lockton after a 15-year stint at Zurich Insurance, where he held various underwriting, portfolio management and executive leadership roles across the UK and Australia.
He brings more than 18 years of experience in the life insurance sector spanning risk management, actuarial science, financial risk and capital management.
The head of the insurer's Pacific business takes charge on 1 November, joining the group executive committee as Sue Houghton prepares to retire at year-end.