Shamseddin Yousefian, Angel investor in istanbul is an active investor based in istanbul, United States. This profile covers what Shamseddin Yousefian backs, at which stage, and how founders can reach out in 2026.
Shamseddin Yousefian is the CEO of jk24.ir at entrepreneurship island and a serial entrepreneur with eight successful startups.
Shamseddin Yousefian invests in Consumer & Retail, E-commerce & D2C and Fintech, typically at Pre Seed, Seed and Series A.
- Investor type
- Angel
- Stages
- Pre SeedSeedSeries A
- Invests in
- Consumer & RetailE-commerce & D2CFintech
- Location
- istanbul, United States
- Typical check
- $250K
How to reach Shamseddin Yousefian
Angels and operators like Shamseddin Yousefian 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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About this profile
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Cite this page
Round Funded. "Shamseddin Yousefian." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/shamseddin-yousefian
Frequently Asked Questions
Who is Shamseddin Yousefian?
Shamseddin Yousefian, Angel investor in istanbul is an active investor based in istanbul, United States. Shamseddin Yousefian invests in Consumer & Retail, E-commerce & D2C and Fintech, typically at Pre Seed, Seed and Series A.
What does Shamseddin Yousefian invest in?
Shamseddin Yousefian invests in Consumer & Retail, E-commerce & D2C and Fintech, typically at Pre Seed, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Shamseddin Yousefian invest at?
Shamseddin Yousefian typically invests at Pre Seed, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Shamseddin Yousefian's typical check size?
Shamseddin Yousefian typically writes checks around $250K. 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.