Horizon3 taps Keith Poyser to head EMEA as team swells to 110 amid 260% revenue surge

Horizon3 announced on 13 October 2026 that Keith Poyser has been promoted to General Manager for Europe, the Middle East and Africa. The company cited more than 260% regional revenue growth in the previous fiscal year as the basis for this leadership change. Poyser previously served as Vice President for the same region.

What drove this leadership change?

Horizon3 expanded its EMEA presence significantly, opening a regional headquarters in Amsterdam. According to the company’s press release, this growth supported a shift in how organisations verify their security postures. The promotion aligns with the need to manage a larger operational footprint across the region.

How did the team scale?

Poyser joined Horizon3 in September 2024. He recruited experienced talent and established a regional leadership bench during his tenure. The EMEA team grew from eight employees to more than 110 people under his direction. This scaling effort supported the company’s expanding business operations.

What is the strategic focus?

The company aims to extend its NodeZero autonomous security testing platform to more organisations. Poyser stated that AI-enabled attackers are moving faster, requiring customers to routinely find and fix exploitable weaknesses. His priority is to extend reach across the region while keeping customer outcomes central to growth.

Questions to ask your suppliers

Security operations teams should verify whether their vendors are scaling support infrastructure alongside product releases. Ask if regional leadership changes impact service level agreements or incident response timelines. Confirm that new hires in key markets have adequate training on existing security protocols. Ensure that escalation paths remain clear during periods of rapid organisational growth.

What to do and how to stay safe: Horizon3

• Review current vendor contracts to ensure regional support structures match your operational needs.
• Verify that supplier leadership changes do not alter existing security commitments or response times.
• Monitor vendor communications for updates on regional office expansions or staffing shifts.
• Confirm that your organisation’s security testing cycles align with vendor update schedules.

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Frequently asked questions

Who is the new General Manager for Horizon3’s EMEA region?

Keith Poyser has been promoted to General Manager, EMEA, at Horizon3.

How much revenue growth did Horizon3 experience in the EMEA region?

Horizon3 reported more than 260% regional revenue growth in the last fiscal year.

When did Keith Poyser join Horizon3?

Poyser joined Horizon3 in September 2024.