Regnan announced in a statement on Wednesday that Ms Vamos had vacated her position after only a year and a month in the role “to pursue other interests”.
Ms Vamos joined Regan in July 2017 after nearly nine years leading the Australian Superannuation Funds Association (ASFA).
Her background is in law and financial services regulation and she has worked in a variety of roles as head of legal and compliance, corporate counsel, and a strategic risk consultant across a number of firms.
Between 1998 and 2004, Ms Vamos was a director of financial services regulation in licensing and business operations at ASIC.
She also has extensive board experience and currently serves as chairman of the Certified Investment Management Analysts (CIMA) Society (previously IMCA), board member for Mercer Superannuation Trust, Decimal Software, Interaction Services, and Banking and Finance Oath.
“The board thanks Ms Vamos for her significant contribution to Regnan over the last 12 months and the leadership she has delivered to the business.
“We wish her well in her future endeavours,” the Regnan statement said.
Regnan head of senior policy Alison George will be interim chief executive while the company conducts a “detailed strategic review” to ensure client needs are met.
According to the statement, the board wished to “reaffirm” its confidence in the company’s executive team.
