at&t-cybersecurity
(2)
Russell Spitler
Russell Spitler is co-founder and CEO of Nudge Security, an Austin-based cybersecurity company that helps organizations discover and govern the sprawl of SaaS and AI apps employees adopt on their own. He previously ran product strategy at AT&T Cybersecurity and AlienVault, where he co-founded the Open Threat Exchange, one of the largest open threat intelligence communities in the world. In November 2025, Nudge Security raised a $22.5 million Series A led by Cerberus Ventures, bringing total funding to roughly $39 million.
Barmak Meftah
Barmak Meftah is co-founder and general partner of Ballistic Ventures, a cybersecurity-focused venture firm. Previously CEO of AlienVault and president of AT&T Cybersecurity after AT&T acquired AlienVault, he has spent more than two decades building and funding security companies, from Fortify Software's early days to today's wave of AI-era security startups.