Dennis Callaghan

Dennis Callaghan

Former Analyst

Biography

Dennis led 451 Research's coverage of IT performance and availability management, and IT asset and service management. This included the subsectors of application performance management (APM); network and server monitoring and management; log management/machine data analytics; IT performance and operational analytics; and Internet and Web performance management. Dennis had a particular focus on all of these technologies in the context of cloud computing, both as a delivery model and as a medium to be monitored and managed.

Dennis contributed to 451 Research's Enterprise Platforms & Infrastructure Software, and Development, DevOps & Middleware coverage channels. Since joining 451 Research in 2005, Dennis covered market-leading software companies like Splunk, ServiceNow and New Relic, from their earliest funding rounds to successful IPOs, and provided guidance to both investors and end users on these and other companies he covers.

In addition to extensive daily coverage for 451 Research's Market Insight service, Dennis had authored 451 Technology and Business Insight reports on topics such as cloud-based IT service management and application performance management, as well as SOA adoption, SaaS integration, and platform-as-a-service. He spoke regularly at industry events focused on his diverse areas of expertise; conducted 451 and client webinars; and was frequently quoted in trade and business press articles about the topics and companies he covered. SaaS and cloud adoption and migration, big-data usage and analysis, and the consumerization of IT are adjacent topics that his research often addressed.

Before joining 451 Research, Dennis covered the IT industry as a journalist for more than eight years. He was a Senior Writer at eWeek magazine for more than five years, where he covered a number of application and productivity software areas. Prior to joining eWeek, Dennis was Associate Editor at MC Magazine, where he covered the marketing of technology. He was also News Editor at Midrange Systems and Midrange Channels magazines, where he covered IBM AS/400 computing. In addition, Dennis has worked as a technical writer at SunGard Capital Markets, a global financial trading and risk management software firm; and as a sportswriter for a daily newspaper. He holds a BA in Journalism from Duquesne University.


Recent Research from Dennis Callaghan

New Alert Set

"My Alert"

Failed to Set Alert

"My Alert"