Paul Sun, Partner at Atlantic Street Capital is an active investor based in New York, United States. This profile covers what Paul Sun backs, at which stage, and how founders can reach out in 2026.
Paul Sun is a Partner at Atlantic Street Capital with expertise in building businesses in technology and IT services.
Paul Sun invests in SaaS & Enterprise and Media & Content, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseMedia & Content
- Location
- New York, United States
- Typical check
- $3.8M
How to reach Paul Sun
Angels and operators like Paul Sun reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
Reach active investors like this one
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Paul Sun." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/paul-sun
Frequently Asked Questions
Who is Paul Sun?
Paul Sun, Partner at Atlantic Street Capital is an active investor based in New York, United States. Paul Sun invests in SaaS & Enterprise and Media & Content, typically at Early Stage Venture and Late Stage Venture.
What does Paul Sun invest in?
Paul Sun invests in SaaS & Enterprise and Media & Content, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Paul Sun invest at?
Paul Sun typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Paul Sun's typical check size?
Paul Sun typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.