Challenger will join AB, BT, Invesco Australia, Investors Mutual Limited, Plato and State Street Global Advisors on the Lonsec Retire panel.
Lonsec Research general manager of investment consulting Veronica Klaus said the addition of Challenger to the panel will create an "even deeper and diverse source of ideas" on retirement.
"More than ever, Lonsec Retire is focused on the practical applications of retirement insights and how financial advisers can use these to create implementable solutions," said Ms Klaus.
"The global presence and expertise offered by our partners provides financial advisers and other decision makers with a deeper understanding of the key trends and challenges relating to retirement.
"We have a panel of diverse yet equally outstanding partners who will continue to provide real value to the advice industry."
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