Dalton Caldwell

Angel Investor California, United States ·Founded 2025

Overview

Dalton Caldwell is an American entrepreneur and angel investor known for his contributions to the technology sector. He co-founded imeem, a pioneering social music streaming service, and later founded App.net, a developer-focused social platform. Caldwell holds a B.S. in Symbolic Systems and a B.A. in Psychology from Stanford University. In 2011, Caldwell joined Y Combinator as a part-time partner, eventually becoming a Managing Director. During his tenure, he advised over 1,000 startups across various industries, including biotechnology, smart infrastructure, healthcare services, consumer internet, SaaS, financial technology, artificial intelligence, education, energy, and enterprise software. His investment focus spans multiple stages, from seed to late-stage funding. In June 2025, Caldwell transitioned to Partner Emeritus at Y Combinator and co-founded Standard Capital, an AI-native Series A firm. His investment strategy emphasizes supporting innovative startups with transformative potential, leveraging his extensive experience as both an entrepreneur and investor to guide founders through the challenges of scaling their companies.

Investment Focus

  • Innovative technology solutions
  • Scalable business models
  • Strong founding teams

Portfolio Companies

GitLabBrexWhatnotZipPosthog

Reach Dalton Caldwell directly

Verified work email, phone and LinkedIn for the full team — one spreadsheet, one payment, yours to keep.

Unlock full contacts →

Frequently asked questions about Dalton Caldwell

What sectors does Dalton Caldwell invest in?

Dalton Caldwell invests in Technology, Healthcare, Energy, Education, FinTech and SaaS, and is based in California, United States. Dalton Caldwell is listed as a angel investor in the ConnectSafely investor database.

What stage does Dalton Caldwell invest at?

Dalton Caldwell backs companies at Seed, Early Stage, Series A, Series B, Growth and Late Stage, writing cheques of 150K - 150K.

Which regions does Dalton Caldwell invest in?

Dalton Caldwell invests across United States.

What companies has Dalton Caldwell invested in?

Dalton Caldwell's portfolio includes GitLab, Brex, Whatnot, Zip and Posthog.

Last updated · Source: ConnectSafely investor database