Observed Signal · May 6, 2026 · Funding · Source: techcrunch · Impact: 2/5 · Sentiment: Neutral
Ethos Raises $22.75M Led by a16z for Voice Onboarding
a16z led a $22.75M Series A in Ethos, a London‑based startup building AI-powered infrastructure to surface and match expert human knowledge. Ethos uses voice‑based onboarding and AI voice agents to capture nuanced expertise and make it machine‑readable for use cases like market research, expert calls, fractional roles and hiring. The platform reports rapid growth — roughly 35,000 experts joining weekly — and some top members earn over $10,000 per month. Founders James Lo (operator, previously at SoftBank) and Daniel Mankowitz (researcher, formerly at Google DeepMind) combine commercial talent-sourcing experience with agentic AI expertise. Ethos cites clients across hedge funds, private equity, foundational AI labs and consultancies; the funding will scale its voice interview platform and expert network.
Series A funding for an AI-driven expert network signals investor interest in voice-based data capture and talent mapping; relevant to market-research and conversational-AI tooling but not industry-shifting for AdTech broadly.
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Key Takeaways & Evidence Grounding
- a16z led a $22.75M Series A investment in Ethos.
- Ethos builds AI-powered infrastructure using voice agents to capture and index specialist expertise for matching to opportunities.
- Ethos reports more than 35,000 experts join the platform each week.
- Some top experts on Ethos reportedly earn more than $10,000 per month via the platform.
- Founders are James Lo (background at SoftBank) and Daniel Mankowitz (former researcher at Google DeepMind); clients include hedge funds, private equity firms, foundational AI labs and consultancies.
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AethexAI raises $3M to build voice AI for Africa, MENA
AethexAI, a startup founded in 2025 to build voice AI tailored to Africa and the Middle East, raised $3 million in pre-seed funding led by 4DX Ventures with participation from Enza Capital, Dorm Room Fund, Mojo Ventures and Stanford GSB 26 Fund. Founded by CEO Mariama Diallo (ex-Goldman/ModelML) and CTO Ayooluwa Odemuyiwa (ex-Meta/Caltech), the company built its own small models and orchestration layer — the Kora series (300M–1.7B parameters) — to reduce latency and handle localized dialects of English, French and Arabic. AethexAI used anonymized call-center recordings, radio-collected audio and a student annotator network to train models, says it now handles 17,000+ calls per day, and is launching an enterprise platform with APIs and SDKs focused on use cases like debt collection, customer activation and KYC.
OriginalVoices Raises £1M Pre-Seed Led by Iona Star
OriginalVoices, a UK-based startup developing a platform that provides human-generated data and insights for AI systems, has raised £1 million in a pre-seed funding round led by venture capital firm Iona Star. The company is addressing a gap in AI's understanding of real human opinions and preferences, moving beyond synthetic or AI-generated personas. It utilizes a network of one-to-one digital twins, each managed by a real person, which can be queried by AI agents or accessed through tools like ChatGPT and Claude. OriginalVoices also operates Twineo, a consumer app for creating and managing digital twins, which has amassed tens of thousands of profiles since December 2025. The funding will be used to expand the team, develop technology, grow the digital twin network, and focus on the US market.
Omilia raises $67M to scale CX platform
Omilia, an Athens-based conversational AI company that has been building voice-call and customer support automation since 2002, raised $67 million in a Series B led by Expedition Growth Capital to expand its self-learning agents and U.S. operations. The company says it grew annual recurring revenue tenfold to $60 million since its prior $20 million raise from Grafton Capital in 2020. Omilia counts clients including Capital One, Discover, RBC, DWP, PSEG and Taco Bell, plans to open a U.S. office, expand go-to-market teams, hire senior revenue and marketing executives, and expects headcount to grow from about 500 to 600 by year-end.
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