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ActiveFence
ActiveFence
201 – 500 Employees
Artificial IntelligenceCybersecurity
ActiveFence is a cybersecurity and artificial intelligence company focused on trust and safety for online platforms. Its full-stack offering combines intelligence research, AI-powered detection of harmful content, and content moderation tools to help platforms address risks such as child exploitation, disinformation, hate speech, terrorism, nudity, fraud, and other forms of online harm. ActiveFence supports trust and safety teams of different sizes, helping protect more than three billion users worldwide across over 100 languages.
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Field CTO – California Remote

Lead technical discovery, partnerships, and community engagement for frontier AI labs. Shape AI security research and product strategy for Alice, ActiveFence’s trust and safety business.

USUnited StatesCACaliforniaRemoteFull-timeSeniorLeadEnglish RequiredChief Technology Officer

Description

  • Act as the primary technical voice in client meetings, RFPs, and new engagements
  • Translate in-depth discovery discussions into actionable scopes for research and delivery teams
  • Drive early and mid-stage pipeline development through technical conversations, wins, and partnership design
  • Address objections during live technical deep dives with engineering and research stakeholders
  • Develop the Valley’s frontier-lab community through focused, high-signal events
  • Build relationships with post-training, safety, and security leaders at frontier labs
  • Represent Alice at conferences, analyst briefings, technical presentations, and collaborative research initiatives
  • Bring market intelligence into the company and help surface emerging priorities
  • Partner with the CTO to identify strategic opportunities and advance them into the roadmap
  • Help set the AI Labs pod agenda, AI security research priorities, and product direction
  • Define Alice’s operating presence in the Valley and serve as its primary local representative
  • Interview for related positions, support regional hiring, and represent Alice in the local market

Requirements

  • At least eight years of relevant experience as a Field CTO or in a comparable role
  • Current, in-depth knowledge of AI systems security, including agents, tools, orchestration, data flows, guardrails, red teaming, and evaluations
  • Practical understanding of how frontier labs purchase from and collaborate with vendors
  • Demonstrated success taking research through to scaled product delivery and revenue
  • Strong credibility with frontier-lab researchers
  • Confidence serving as a public-facing technical expert
  • Based in the Bay Area with an active network across the Valley’s AI and security community
  • Ability to work fluently across Israel time zone hours
  • Preferred: hands-on experience with RL post-training, GRPO, agentic environments, or evaluation harness design
  • Preferred: experience at a frontier lab, research organization, or vendor serving one
  • Preferred: experience as the first senior team member establishing a presence in a new geography

Benefits

  • Full-time position
  • Remote work arrangement
  • West Coast/Bay Area presence and engagement
  • Represent Alice at conferences, analyst briefings, technical presentations, and collaborative research
  • Help shape the AI Labs pod agenda, AI security research priorities, and product direction
  • Interview for related roles and support hiring across the Valley

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