John Joyoprayitno, Venture Partner at Congress Avenue Ventures is an active investor based in Austin, Texas. This profile covers what John Joyoprayitno backs, at which stage, and how founders can reach out in 2026.
John Joyoprayitno is President and CEO of Alafair Biosciences, with over 20 years of leadership experience in the medical device industry.
John Joyoprayitno invests in Healthcare & Biotech and MedTech & Medical Devices, typically at Early Stage Venture.
- Location
- Austin, Texas
- Typical check
- $500K
What does John Joyoprayitno invest in?
- Investor type
- VC
- Stages
- Early Stage Venture
Where is John Joyoprayitno based?
John Joyoprayitno is based in Austin, Texas.
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How to reach John Joyoprayitno
Angels and operators like John Joyoprayitno 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. "John Joyoprayitno." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-joyoprayitno
Frequently Asked Questions
Who is John Joyoprayitno?
John Joyoprayitno, Venture Partner at Congress Avenue Ventures is an active investor based in Austin, Texas. John Joyoprayitno invests in Healthcare & Biotech and MedTech & Medical Devices, typically at Early Stage Venture.
What does John Joyoprayitno invest in?
John Joyoprayitno invests in Healthcare & Biotech and MedTech & Medical Devices, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Joyoprayitno invest at?
John Joyoprayitno typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Joyoprayitno's typical check size?
John Joyoprayitno typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
Where is John Joyoprayitno based?
John Joyoprayitno is based in Austin, Texas.
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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