Horizon3 Names Chad Keefer Vice President of Federal Sales

<p>SAN FRANCISCO — August 25, 2026 — Horizon3, the AI-native proactive security leader, today announced the appointment of Chad Keefer as Vice President of Federal Sales. In this role, Keefer will lead Horizon3’s go-to-market strategy across the federal civilian, defense and intelligence community markets, building out the sales organization, processes and partner relationships needed to scale…</p