MAS appoints financial services leader Rebecca Sellers to Executive Team

We're pleased to announce the appointment of experienced financial services leader Rebecca Sellers as Chief Risk and Legal Officer and a member of the MAS Executive Leadership Team.

Sellers will take up the role on 8 June 2026. She brings extensive expertise in legal, risk and governance across the United Kingdom and New Zealand financial services sectors.

MAS Chief Executive Jo McCauley said Sellers’ leadership and experience in highly regulated environments would be a significant asset to MAS and its Members.

“Rebecca has built an impressive career advising and leading financial services organisations through complex regulatory, risk and governance challenges. She brings a strategic perspective, deep technical expertise and a proven ability to strengthen risk frameworks and organisational capability,” McCauley said.

Sellers has held senior leadership and advisory roles across the financial services sector, playing a key role in regulatory engagements and leading major risk and compliance transformation initiatives. She served as Chief Conduct Officer at Partners Life and most recently, has worked as an independent risk and governance consultant, supporting organisations including Southern Cross Travel Insurance and Ando Insurance Group.

Earlier in her career, Sellers spent nine years with international law firm Clifford Chance, specialising in insurance, reinsurance and financial services regulation – including working with the Lloyd’s of London market.

She has recently served as an independent director of Pinnacle Life and is a member of the Ngāti Whātua Ōrākei Trust Audit, Assurance and Risk Committee.

Sellers said she was looking forward to joining MAS and contributing to the organisation’s continued success.

“MAS has a long-standing reputation for acting in the interests of its Members and maintaining a strong values-driven culture,” Sellers said.

“I have long admired MAS and the role it plays supporting professionals and their communities. I’m excited to join the team and support the organisation in building a robust risk and governance framework that delivers sustainable growth and strong outcomes for Members.”