Axonius has initiated a leadership change, with co‑founder and CEO Dean Sysman transitioning into the role of Executive Chairman and Joe Diamond stepping in as interim Chief Executive Officer (CEO).
Sysman guided Axonius through a period of significant expansion, growing the company to more than $100 million in annual recurring revenue. During his tenure as CEO, the Axonius Asset Cloud cybersecurity platform also secured FedRAMP Moderate authorization.
He also co‑founded the cybersecurity company Cymmetria, where he served as Chief Technology Officer (CTO).
Joe Diamond joined the company in 2024 as its Chief Marketing Officer (CMO) and was elevated to President in August 2025.
Before joining Axonius, Diamond spent more than seven years at Okta, where he most recently held the position of Global Vice President of Demand Marketing.
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