• John Ruthven appointed as Interim CEO of Nuix
• Appointment effective from 3 November 2025
• Ruthven's previous roles include CEO of Integrated Research and senior leadership positions at technology companies

Nuix Limited (ASX: NXL) has announced the appointment of John Ruthven as the Interim Chief Executive Officer of the company, effective from 3 November 2025. This appointment follows the announcement that the current CEO, Jonathan Rubinsztein, will be stepping down from the role effective 31 October 2025. Mr. Ruthven's most recent role was as Chief Executive Officer and Managing Director of Integrated Research Limited (ASX: IRI) from July 2019 to October 2024. Prior to that, he has held senior leadership positions across the Australian and global software and IT services industries, including roles at Technology One, SAP, Zuora Inc, and CA Technologies.The appointment of Mr. Ruthven as Interim CEO is for a period of up to 12 months, during which time Nuix will undertake a full global search for a new permanent Chief Executive Officer. Key details of Mr. Ruthven's contract, including his fixed remuneration of $900,000 per annum plus superannuation, are set out in the attachment to the announcement.Nuix Chair, Robert Mactier, stated that the company looks forward to welcoming John Ruthven and having him work alongside Nuix's outstanding senior leadership team.