The Pensions Advisory Service chairman Partha Dasgupta will stand down from his role at the Government-funded body in September.
Dasgupta was first appointed to the role in January 2010 for three years. He was reappointed for a second three-year term in January last year.
The Department for Work and Pensions says it will start recruiting for Dasgupta’s successor later this month.
Pensions minister Steve Webb says: “I am grateful to Partha for successfully leading TPAS through a period of change, as it modernised its delivery model and maximised the contribution of the volunteers who provide so much of its services.
“He has provided clear direction, challenge and support to the organisation throughout his term. I wish him well for his future ventures.”
Dasgupta adds: “Following the thirtieth anniversary year seems like the right time to hand over the reins and let me pursue some personal interests.
“TPAS continues to perform an important service, and I have enjoyed working with so many talented individuals – both our dedicated permanent staff and marvellous volunteers.”