AxoniusCo-founder and Executive Chair
Feb 2026 — Present
Co-founded Axonius in 2017; transitioned from CEO to Executive Chair in February 2026 to focus on strategic vision.
Dean Sysman co-founded Axonius and became Executive Chair in February 2026 after leading the cybersecurity company as CEO. He previously co-founded cyber-deception startup Cymmetria and served as its CTO; his work focuses on turning fragmented security data into actionable asset intelligence.
Dean Sysman co-founded Axonius and became Executive Chair in February 2026 after leading the cybersecurity company as CEO. He previously co-founded cyber-deception startup Cymmetria and served as its CTO; his work focuses on turning fragmented security data into actionable asset intelligence.
Career
AxoniusCo-founder and Chief Executive Officer
2017 — Feb 2026
Led the cybersecurity company from its founding through its growth in asset intelligence and exposure management.
Cosigns Received
Featured Media
axonius.com
Actionability: The next frontier rooted in fundamentals
Sysman explains his 2026 RSAC thesis: continuously reconciled asset context as the basis for proactive security.
axonius.com
The Days Are Long, But The Years Are Short
A founder's reflection on building Axonius and his transition to Executive Chair in February 2026.
axonius.com
$100M ARR and Beyond: Celebrating Centaur Status
The founding story and lessons from building Axonius, adapted from Sysman's letter to employees.