Omdia Universe: Protecting and Recovering Data in the Cloud Era, 2022–23

Dennis Hahn

Principal Analyst, Data Center Storage

Dennis covers data center storage technologies, including SAN, NAS, DAS, cloud storage, NVMe over Fabrics (NVMeOF), and software-defined storage (SDS). He has more than 25 years of broad storage industry technology experience, which includes storage systems design, product and project management, corporate and product strategy, and storage innovations development and market insight.

Specializing in storage technologies, Dennis has created winning products, such as the MetaStore SAN, which grew to $60 million in annual revenue. He also holds patents in storage systems design, data caching, and hybrid cloud data migration. He is certified in Agile development practices and cloud solution architectures.

Before joining Omdia (formerly IHS Markit) in 2018, Dennis worked at NetApp and contributed to the E-Series product line, which is worth $1 billion. He also held positions at Symbios Logic, Engenio, and LSI.

Dennis earned his Bachelor of Science in mechanical engineering at University of Wisconsin-Platteville, US and MBA from Wichita State University, US. 

Roy Illsley

Chief Analyst, IT Operations

Roy’s key areas of research include cloud computing, cloud-native technologies, IT strategy, IT operational management, and data center technologies. He also advises on quantum computing, automation, virtual desktop infrastructure (VDI), and workspaces. Roy uses his extensive experience combined with Omdia’s surveys and market data to understand how technologies will add benefit to businesses.

He works in the enterprise team and has over 40 years’ experience in the IT sector working for a variety of consultancy and end-user companies with experience in defense, utilities, automotive, retail, and fast-moving consumer goods industries. He joined Butler Group as a senior analyst in January 2006. Roy has worked on many major report projects, white papers, and primary research. He also delivers keynote speeches globally. He has a Bachelor of Science (Hons.) in electronic engineering and telecommunications, an international MBA, and is a Member of the Institute of Engineering Technology (MIET) that holds the registered status of a Chartered Engineer (CEng).