Career profile
Eric Hammersley
Chief Information Security Officer, IREN Limited
- Current role, per sources checked 7 September 2026
- 15 July 2026
Eric Hammersley is the Chief Information Security Officer of IREN Limited, appointed in July 2026. In the role, he leads IREN's security program across the data center, compute and software layers of its platform. IREN describes itself as a vertically integrated AI Cloud provider that delivers large-scale data centers and compute for AI training and inference, underpinned by grid-connected land and power in renewable-rich regions across North America, Europe and APAC.
Career path
Hammersley's early career included senior engineering positions across the U.S. federal government and defense sector, including serving as Chief Engineer supporting the Joint Chiefs of Staff (J6). He went on to lead software product security architecture for NVIDIA's high-performance computing environments. He then joined Nutanix, where he served as Vice President, Engineering and Chief Product Security Officer, responsible for security governance, compliance and operational assurance across the company's software and SaaS products. IREN announced his appointment as Chief Information Security Officer on July 15, 2026, describing him as bringing more than two decades of experience securing cloud platforms and critical infrastructure. IREN's own team page lists the Chief Information Security Officer role among its leadership positions.
Remit and announcement
IREN said the appointment followed the recent additions of a Chief Product Officer and a Chief Development Officer as the company expands its AI Cloud platform into new markets and services. Daniel Roberts, Co-Founder and Co-CEO of IREN, commented on the hire, saying: "As we deliver AI Cloud services to some of the most demanding customers in the world, Eric's experience securing cloud platforms at scale will be invaluable." Coverage of CISO appointments in 2026 also noted that Hammersley's prior roles spanned leading software product security architecture for NVIDIA's high-performance computing environments and senior engineering positions in the federal government and defense sector before he moved into cloud security leadership at Nutanix and then IREN.
