Jeffrey S. Lang is an angel investor and operator angel based in Tucson, Arizona, United States. The known portfolio counts 22 companies, including Lemon Perfect, Vector Launch, GT Medical Technologies, Qwick, CampusLogic, Post.Bid.Ship, Picmonic, Botco.ai, Aural Analytics, ClearVoice, ClickIPO and Crowd Mics.
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Investment focus
- Sector
- AIConsumerHealthcareSaaS
Contacts
Jeffrey S. Lang portfolio companies (22)
- Lemon Perfect
- Vector Launch
- GT Medical Technologies
- Qwick
- CampusLogic
- Post.Bid.Ship
- Picmonic
- Botco.ai
- Aural Analytics
- ClearVoice
- ClickIPO
- Crowd Mics
- Tempronics
- CellzDirect
- Codelucida Inc
- Regulonix Holding, Inc.
- Siamab Therapeutics
- Yapert
- Vartega Inc.
- rSmart
- Recoleta Digital Media
- Sialix Cancer Research
Investor Profile
Founders in the listed sectors AI, Consumer, Healthcare and SaaS, and focus areas Biotech, Diagnostics, Digital Health and HR Tech will recognize the pattern in this portfolio.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Jeffrey S. Lang?
Jeffrey S. Lang is an angel investor and operator angel based in Tucson, Arizona, United States with 22 known investments on file, among them Lemon Perfect, Vector Launch and GT Medical Technologies. The sections above list the sectors attached to that record.
What does Jeffrey S. Lang invest in?
Listed sectors include AI, Consumer, Healthcare and SaaS; listed focus areas include Biotech, Diagnostics, Digital Health and HR Tech. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
How do I contact Jeffrey S. Lang?
An email address, a phone number and a LinkedIn page are on file for Jeffrey S. Lang. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal