The Pensions Advisory Service (TPAS) has appointed Michelle Cracknell as its chief executive.
Cracknell succeeds Martha Phillips in the £100,000 per year role, who in March announced she would step down.
A qualified actuary, Cracknell was group commercial director of retirement advice firm LIFT-Financial. She has also worked as an associate director at Bluerock Consulting, as Skandia's regulated business director, and as business development director at Origen.
She said: "I believe in pensions as a savings vehicle for retirement and I want to help people understand them so that they are able to make informed choices.
"I am thrilled to have been appointed as chief executive of TPAS where we can help with providing access to information on pensions, use the insights that we have from dealing with these queries to contribute to the debate on future pension regulation and assist in sorting out disputes.
"Auto-enrolment (AE) will bring a set of new challenges. It is critical that employees understand the pension scheme which they are enrolled in and pro-actively plan for their retirement. TPAS will be active in ensuring that the information is readily available to facilitate this engagement."
TPAS chairman Partha Dasgupta said: "Michelle has extensive knowledge and expertise of all aspects of pensions. I know she is particularly excited about working with our volunteers and leading our work on automatic enrolment to raise awareness of the value of pensions to a wider audience."
Earlier this month TPAS announced it would launch a survey on women's views on pensions in a bid to better cater to female savers.
It has also announced it is gearing up for an increase in AE queries with the introduction of a web chat tool.
Annuity market worth £4bn in 2017
For ‘distress’ caused
Oversees £30bn of advised and D2C assets
Less than a third of top paid employees are women
£1bn business since inception