Joshua Langsam
Investment Professional at Single Family Office
Boston, Massachusetts
Joshua Langsam, Investment Professional at Single Family Office is an active investor based in Boston, Massachusetts. This profile covers what Joshua Langsam backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPE
- Stages
- Early Stage Venture
- Invests in
- MarketplaceRobotics & AutomationConsumer & RetailDeveloper Tools & DataSports & FitnessMedia & ContentHealthcare & Biotech
- Location
- Boston, Massachusetts
- Typical check
- $500K
- Past investments
- 29
Notable investments
VariousBanQu Inc.RiverMeadow SoftwareJETCOOL Technologies Inc.
Rinse
CloudAppSportsrocketWeather AnalyticsNetronomeLuminoso Technologies, Inc.Intarcia TherapeuticsFancyHow to reach Joshua Langsam
Angels and operators like Joshua Langsam 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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Round Funded. "Joshua Langsam." Round Funded investor database, updated September 23, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/joshua-langsam
Frequently Asked Questions
What does Joshua Langsam invest in?
Joshua Langsam invests in Marketplace, Robotics & Automation, Consumer & Retail and Developer Tools & Data, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Joshua Langsam invest at?
Joshua Langsam typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Joshua Langsam's typical check size?
Joshua Langsam typically writes checks around $500K. 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.