Primer is an accelerator. Based in San Francisco, California, United States. Among the 17 companies in the known portfolio are DailyPay, Hummingbirds, Athira Pharma, Aardvark, Acticor Biotech and MatriSys Bioscience.
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Investment focus
- Focus
- BiotechFoodTechKorean AcceleratorMachine LearningMarketing TechPaymentsSales Tech
Contacts
Who to pitch at Primer
Primer portfolio companies (17)
- DailyPay
- Hummingbirds
- Athira Pharma
- Aardvark
- Acticor Biotech
- MatriSys Bioscience
- Bendit
- Finology
- Nelo
- Ending Study Cafe
- Bomchan
- Botkin.AI
- Gemopharm
- Hookable
- Lucky Meal
- MT Medicals
- OASES
Co-investors
Funds that share portfolio companies with Primer.
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About Primer
The firm's listing covers sectors AI, Consumer, FinTech and Healthcare, and focus areas Biotech, FoodTech, Korean Accelerator and Machine Learning; known deals cluster at Seed, Series A and Series B.
The team counts 7 people in our database. Douglas Guen (Founder & CEO), Kiha Lee (Venture Partner) and Rob Moffat (Board Director) are shown as the contacts to pitch.
Primer shares portfolio companies with 20 other investment firms, among them Innoventures, British International Investment and Proparco.
Frequently asked questions
What is Primer?
Primer is an accelerator based in San Francisco, California, United States, with a known portfolio of 17 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Primer invest in?
Listed sectors include AI, Consumer, FinTech and Healthcare; listed focus areas include Biotech, FoodTech, Korean Accelerator and Machine Learning. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Primer invest at?
The known deals of Primer include Seed, Series A and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Primer?
3 of the 7 people on file at Primer are listed as contacts for the firm. All 7 have their own profile page.
How do I contact Primer?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 7 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal