Mark O'Neill is a Distinguished VP Analyst and Chief of Research covering Security, Data & Analytics, and Software Engineering. Mark also leads Gartner's API Strategy research community. With his security and startup background, his own research focus includes API security, innovation, and the impact of AI on API strategy. Mark is a frequent conference speaker and webinar presenter.
Mr. O'Neill is the author of the book "Web Services Security" and other guidance on API security and strategy. He also co-founded two companies, acting as CTO at both. At Vordel, as CTO, he drove API gateway strategy, leading to its acquisition.
Throughout his career, Mr. O'Neill has worked closely with software engineering teams, enterprise architects, CIOs and security professionals, providing best-practice guidance on API security strategy, API and integration strategy, and API management.
Axway, VP Innovation, 3 years
Delphium Technologies, CTO and Co-founder, 2 years
Vordel, CTO and Co-founder, 12 years
Software Engineering Technologies
Software Engineering Practices
B.A., Mathematics and Psychology, Trinity College, Dublin
API management including API gateways and API portals
API security using standards such as OAuth and OpenID Connect
API integration with iPaaS and ESB
Banking APIs, including PSD2
Microservices architecture, service mesh, and how it relates to APIs and SOA