About David Singleton
David Singleton is the co-founder and CEO of Dreamer, a consumer platform for AI agents that applies operating system principles to agent coordination. Before founding Dreamer, he served as CTO of Stripe, where his team deployed some of the earliest production AI agent systems.
Singleton’s career spans foundational work in mobile computing at Google, where he helped build Google’s first mobile apps and contributed to core pieces of Android alongside co-founders Hugo Bar and Nicholas Czechov. This experience building platform ecosystems — particularly the Google Play Store — directly informs Dreamer’s approach to agent marketplaces and developer economics.
Career Highlights
- Co-Founder & CEO of Dreamer (agent OS platform)
- Former CTO of Stripe
- Early Android team at Google (first mobile apps, Play Store ecosystem)
- Pioneered production AI agent deployments at Stripe
Notable Positions
On Agent Infrastructure
Singleton argues that consumer AI agents require operating system-level infrastructure — not just better prompts. His “sidekick as kernel” architecture treats the personal agent as a trust mediator between user-facing agents, enforcing permissions and coordinating inter-agent communication. This directly addresses the security and composability challenges that plague loosely coupled agent systems.
On Hiring in the Agent Era
He has reshaped Dreamer’s engineering interviews around agent collaboration skills, noting that former engineering managers who stayed close to code make excellent agent operators because they combine technical judgment with delegation experience.
Key Quotes
- “The sidekick’s like the kernel, the agents and apps are like users. Different rings.” (on agent OS architecture)
- “You could build little vibecoded apps, but they’re going to grab all your data willy-nilly. They won’t be able to work together.” (on why infrastructure matters)
- “Being an engineering manager, as long as you stay very close to the code, is actually a great skill profile for being able to make agents work for you.” (on hiring)
Related Reading
- Agent OS - The paradigm Singleton is building
- Agent Platforms - The broader industry trend
Video Mentions
Agent OS and consumer agent platforms
Deep dive on Dreamer's agent OS architecture, the sidekick-as-kernel model, consumer agent platforms, and how hiring engineers has changed in the age of coding agents