Sophia Kier, Principal at Nine Four Ventures is an active investor based in New York City, New York. This profile covers what Sophia Kier backs, at which stage, and how founders can reach out in 2026.
Sophia Kier invests in PropTech & Real Estate, Marketplace and Travel & Hospitality, typically at Early Stage Venture, Seed and Series A. Portfolio companies on record include First, OpenSpace and Bowery Valuation.
- Location
- New York City, New York
- Typical check
- $500K
- Past investments
- 12
What does Sophia Kier invest in?
- Investor type
- AngelVCPEInvestor
Where is Sophia Kier based?
Sophia Kier is based in New York City, New York.
- Browse more startup investors near Sophia Kier:
- Startup investors in New York CityStartup investors in the United States
Which companies has Sophia Kier invested in?
OpenSpace
Bowery Valuation
AgentSync
Angel InvestorStay Alfred
SmartRentBeyondHQ
Built Technologies
Bungalow
Branch
SteadilyHow to reach Sophia Kier
Angels and operators like Sophia Kier 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.
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Cite this page
Round Funded. "Sophia Kier." Round Funded investor database, updated September 25, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sophia-ghadamian
Frequently Asked Questions
Who is Sophia Kier?
Sophia Kier, Principal at Nine Four Ventures is an active investor based in New York City, New York. Sophia Kier invests in PropTech & Real Estate, Marketplace and Travel & Hospitality, typically at Early Stage Venture, Seed and Series A. Portfolio companies on record include First, OpenSpace and Bowery Valuation.
What does Sophia Kier invest in?
Sophia Kier invests in PropTech & Real Estate, Marketplace and Travel & Hospitality, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sophia Kier invest at?
Sophia Kier typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Sophia Kier's typical check size?
Sophia Kier typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
Where is Sophia Kier based?
Sophia Kier is based in New York City, New York.
Which companies has Sophia Kier invested in?
Companies Sophia Kier has backed, according to the Round Funded catalog, include First, OpenSpace, Bowery Valuation, AgentSync, Angel Investor and Stay Alfred.
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.
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