# Dan Roth

> Dan Roth is the co-founder and CEO of Scaled Cognition, a Mountain View AI company building reliable, hallucination-free models for enterprises. Its flagship Agentic Pretrained Transformer (APT) tops agentic benchmarks and powers customer-service agents that follow policy and take action where accuracy matters, such as banking, insurance, and telecom. In June 2026 the company raised a $100 million Series A led by Khosla Ventures at a roughly $750 million valuation. Roth is a repeat founder: he co-founded Semantic Machines, an early conversational-AI company acquired by Microsoft in 2018, where he then served as corporate vice president of conversational AI, and earlier built Voice Signal Technologies, acquired by Nuance.

- **Role:** Co-Founder and CEO at Scaled Cognition
- **Organizations:** Scaled Cognition, Microsoft, Semantic Machines, Shaser BioScience, Voice Signal Technologies
- **Nationality:** American
- **Education:** Bachelor's Degree in Biology, Trinity College, Hartford
- **Known for:** Co-founded and leads Scaled Cognition, which raised a $100M Series A led by Khosla Ventures in 2026 at a roughly $750M valuation., Co-created the Agentic Pretrained Transformer (APT), a model reported to top agentic benchmarks such as tau-bench and ComplexFuncBench., Co-founded Semantic Machines and sold it to Microsoft in 2018, then served as Microsoft's Corporate VP of Conversational AI.

## Career timeline

- **1995** — Earned a Bachelor's degree in Biology from Trinity College in Hartford, Connecticut.
- **2000s** — Founded and led Voice Signal Technologies, a speech-recognition company later acquired by Nuance Communications for a reported $300 million (2007).
- **2000s** — Led Shaser BioScience, later acquired by Spectrum Brands.
- **2014** — Co-founded Semantic Machines as CEO, alongside Dan Klein and Percy Liang, to build conversational AI.
- **2018** — Microsoft acquired Semantic Machines; Roth joined as Corporate Vice President of Conversational AI.
- **2023** — Co-founded Scaled Cognition with Dan Klein to build reliable, hallucination-free enterprise AI.
- **2026** — Scaled Cognition raised a $100M Series A led by Khosla Ventures at roughly a $750M valuation and unveiled its APT model.

## Achievements

- Co-founded and leads Scaled Cognition, which raised a $100M Series A led by Khosla Ventures in 2026 at a roughly $750M valuation.
- Co-created the Agentic Pretrained Transformer (APT), a model reported to top agentic benchmarks such as tau-bench and ComplexFuncBench.
- Co-founded Semantic Machines and sold it to Microsoft in 2018, then served as Microsoft's Corporate VP of Conversational AI.
- Built Voice Signal Technologies, acquired by Nuance Communications for a reported $300 million.
- Led Shaser BioScience through an acquisition by Spectrum Brands.
- Serial founder with multiple successful exits across speech, biotech, and conversational AI.

## Latest updates

- **2026-06** — Scaled Cognition announced a $100 million Series A led by Khosla Ventures, with participation from Genesys, at roughly a $750 million valuation.
- **2026-07** — The company detailed its APT (Agentic Pretrained Transformer) model, reporting top scores on agentic benchmarks and deployments with Fortune 500 firms in financial services, healthcare, telecom, and insurance.

## Links

- Website: https://scaledcognition.com
- LinkedIn: https://www.linkedin.com/in/dan-roth-7a44b4a8

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Profile page: https://yespress.io/dan-roth
Published by YesPress — https://yespress.io
Last updated: 2026-07-22