IREN Limited (NASDAQ: IREN) has appointed Eric Hammersley as Chief Information Security Officer, according to a press release issued July 15, 2026.

Hammersley will oversee IREN's security program across its data centers, compute, and software layers. He joins from Nutanix, where he served as Vice President of Engineering and Chief Product Security Officer, with responsibility for security governance, compliance, and operational assurance across the company's software and SaaS products.

His background includes leading software product security architecture for Nvidia's high-performance computing environments, as well as senior engineering roles in the U.S. federal government and defense sector, including serving as Chief Engineer supporting the Joint Chiefs of Staff. He is a U.S. Navy veteran.

Daniel Roberts, Co-Founder and Co-CEO of IREN, commented: "Security is core to how we design, build and operate our platform. 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."

The appointment follows recent additions of Kambiz Aghili as Chief Product Officer and Michael Nudelman as Chief Development Officer.