David Aronoff
Chairman and Managing Partner at MCJ
Boston, Massachusetts
David Aronoff, Chairman and Managing Partner at MCJ is an active investor based in Boston, Massachusetts. This profile covers what David Aronoff backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestor
- Stages
- Early Stage VenturePre SeedSeed
- Invests in
- Climate & EnergySpace & AerospaceQuantum & SemiconductorsHardware & Deep TechSaaS & Enterprise
- Location
- Boston, Massachusetts
- Typical check
- $250K
- Past investments
- 35
Notable investments
T2 BiosystemsMinimSand 9Immedia
Vidsys
JouleXAllayer
BetterCloud
ApiaryHow to reach David Aronoff
Angels and operators like David Aronoff 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 David Aronoff
Frequently Asked Questions
What does David Aronoff invest in?
David Aronoff invests in Climate & Energy, Space & Aerospace, Quantum & Semiconductors and Hardware & Deep Tech, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does David Aronoff invest at?
David Aronoff typically invests at Early Stage Venture, Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is David Aronoff's typical check size?
David Aronoff typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact David Aronoff?
Unlock David Aronoff's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.