McCarthy takes up the role on May 22 with over 20 years’ experience in finance, risk management and operations in the UK and US.

She replaces current CFO Lucy Tilley whose departure for asset manager Pollen Street was announced in January.

McCarthy joins from Hult International Business School where she was also CFO. Prior to this she held the same position at CNBC International.

MAB has also appointed Rachel Haworth as independent non-executive director of the Company, starting on May 1.

Haworth will chair the remuneration committee and will serve on the audit, nomination and group risk committees.

She is a non-executive director and chair of the remuneration committee at Mansfield Building Society, as well as a non-exec on on the independent governance committees for Phoenix Group.

Her executive experience includes 15 years at Coventry Building Society, most recently as customer experience director, as well as seven years at First Direct in advertising and innovation.

MAB chief executive Peter Brodnicki says: “Emilie is an experienced CFO and leader. “Her appointment follows a thorough selection process during which she impressed us with her financial credentials, her leadership and wide-ranging corporate skills, as well as her strategic acumen.

“She shares the same entrepreneurial culture that has been essential to our success as a business, and I very much look forward to her contribution to our next phase of growth.

He adds: “Rachel is a very experienced executive and non-executive who has operated in the financial services industry for over three decades.”

Both appointments are subject to regulatory approval.