Partnership has recruited Richard Willets as director of longevity from rival provider Friends Life.
Willets has been at Friends since July 2011, where he was also director of longevity.
Before joining Friends Willets held a similar role at pension buyout specialist Paternoster.
Partnership chief financial officer David Richardson says: “Richard is recognised across the insurance industry as one of the UK’s leading experts in longevity.
“His recruitment is a sign of our commitment to further develop our market-leading research and development capability.”