# Dalton Caldwell

> Dalton Caldwell is a serial entrepreneur turned venture capitalist best known for co-founding imeem (one of the first legal music social networks), launching App.net as a principled alternative to ad-supported social media, and spending over a decade as a Managing Partner at Y Combinator advising 1,000+ startups. He is now co-founding Standard Capital, a $425M AI-native Series A fund with Paul Buchheit and Bryan Berg.

- **Role:** Co-Founder and Managing Partner at Standard Capital; Partner Emeritus at Y Combinator
- **Organizations:** Standard Capital, Y Combinator, App.net, Mixed Media Labs, imeem
- **From:** El Paso, Texas, USA
- **Nationality:** American
- **Education:** B.S. Symbolic Systems, B.A. Psychology, Stanford University
- **Known for:** First social network CEO to secure licensing deals with all four major music labels (2007, via imeem), Raised $803,000 from 12,315+ backers for App.net via crowdfunding - one of tech's early high-profile crowdfunding successes, Advised 1,000+ startups over 12+ years and 25 YC batches at Y Combinator

## Career timeline

- **2002-2003** — Interned at VA Linux during final year at Stanford
- **2003** — Co-founded imeem with Jan Jannink, a legal music social network
- **2007** — imeem became the first social network to sign licensing deals with all four major music labels
- **2008** — imeem reached peak: 85+ employees, 100M+ daily page views, $200M valuation, $27M raised
- **2009** — imeem sold to MySpace Music in distressed acquisition; left as consultant
- **2010** — Founded Mixed Media Labs; launched picplz (mobile photo-sharing, Instagram competitor)
- **2010** — Gave famous Startup School talk on why music startups are a bad idea
- **2012** — Launched App.net via crowdfunding - raised $803K from 12,315 backers in ~32 days
- **2012** — Published 'Dear Mark Zuckerberg' open letter about alleged Facebook M&A coercion - went viral
- **2012** — Shut down picplz; Instagram had won the photo-sharing market
- **2013** — Joined Y Combinator as part-time partner
- **2014** — App.net ceased new development; joined YC as full-time Group Partner
- **2020** — Promoted to Managing Partner/Managing Director at Y Combinator
- **2024** — Co-hosted Lenny's Podcast episode on lessons from 1,000+ YC startups
- **2025** — Transitioned to Partner Emeritus at YC; co-founded Standard Capital with Paul Buchheit and Bryan Berg
- **2025** — Standard Capital closed $425M Fund I; opened inaugural fall 2025 funding cycle

## Achievements

- First social network CEO to secure licensing deals with all four major music labels (2007, via imeem)
- Raised $803,000 from 12,315+ backers for App.net via crowdfunding - one of tech's early high-profile crowdfunding successes
- Advised 1,000+ startups over 12+ years and 25 YC batches at Y Combinator
- Helped advise 35+ YC unicorn companies including DoorDash, Amplitude, Webflow, and Retool
- YC portfolio companies collectively valued at approximately $170 billion
- Co-founded Standard Capital and closed $425M Fund I
- Logged 6,500+ office hours with founders at YC
- Published 'Dear Mark Zuckerberg' letter that foreshadowed later antitrust debates around Big Tech platform power

## Latest updates

- **2025-06** — Transitioned to Partner Emeritus at Y Combinator after 12+ years
- **2025-06** — Co-founded Standard Capital with Paul Buchheit and Bryan Berg; closed $425M Fund I
- **2025-06** — Standard Capital opened inaugural fall 2025 funding cycle applications
- **2024-04** — Featured on Lenny's Newsletter podcast: 'Lessons from 1,000+ YC startups'

## Links

- Website: https://daltoncaldwell.com/
- LinkedIn: https://www.linkedin.com/in/daltoncaldwell/
- Twitter/X: https://twitter.com/daltonc

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Profile page: https://yespress.io/dalton-caldwell
Published by YesPress — https://yespress.io
Last updated: 2026-05-05