KPMG has appointed long-serving partner John Sams as its new chief executive, formally filling the leadership position left vacant after Andrew Yates resigned in the wake of the firm's audit leaks scandal.

The appointment marks an important step in KPMG's efforts to restore stability following months of scrutiny over the controversy, which has affected the firm's leadership and reputation since March.

Sams has been serving as KPMG Australia's chief financial officer since September last year and is also a member of the firm's executive leadership team.In recent weeks, he had emerged as the leading candidate for the chief executive role.

His responsibilities had already expanded after he took on the duties of acting chief operating officer when Eileen Hoggett stepped down from that position in June.

The combination of his financial leadership experience and recent operational responsibilities positioned him as a natural successor during a period of organisational change.

The appointment comes as KPMG continues to manage the consequences of the audit leaks affair, which prompted significant executive turnover and increased public and regulatory attention.

By selecting an experienced internal executive, the firm appears to be prioritising continuity while working to rebuild confidence among clients, staff and stakeholders.

Although the article does not outline Sams' strategic priorities, his promotion signals KPMG's intention to move beyond the immediate leadership instability and focus on strengthening governance, operational oversight and trust after one of the most challenging periods in the firm's recent history.