Josef Mueller
Angel investor in Boston
Boston, Massachusetts
Josef Mueller, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Josef Mueller backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Consumer & RetailE-commerce & D2CClimate & EnergyPropTech & Real EstateFoodTech & AgricultureFood & Beverage
- Location
- Boston, Massachusetts
- Typical check
- $150K
- Past investments
- 16
Notable investments
BeviEvolution Fresh
Sampler
WearAwaySurfside Coffee CompanyEnvision SolarDECK of DICE GamingSkip HopIdeaPaint
GROVESalt Lake Brewing CompanyHow to reach Josef Mueller
Angels and operators like Josef Mueller 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 Accelerator.
Connect with Josef Mueller
Frequently Asked Questions
What does Josef Mueller invest in?
Josef Mueller invests in Consumer & Retail, E-commerce & D2C, Climate & Energy and PropTech & Real Estate, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Josef Mueller invest at?
Josef Mueller typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Josef Mueller's typical check size?
Josef Mueller typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Josef Mueller?
Unlock Josef Mueller's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.