Tim Ehrhart is a Domain Head for Information Security at Roche in Basel with a decade of experience turning curiosity about puzzles and breaking things into practical security leadership. He focuses on finding subtle, high-impact vulnerabilities—“needles in haystacks”—and leads initiatives to make enterprise systems measurably safer. Known publicly as ArtisanalAPT, he blends hands-on investigative instincts with program-level oversight, bridging technical triage and strategic risk reduction. Tim’s background includes formal study at University of Maryland Global Campus and a public-facing approach to security that emphasizes transparency, improvement, and measurable outcomes.
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