DEFTA Partners

Investment firm

DEFTA Partners

Venture capital

WebsiteCrunchbase profileSan Francisco·California·United States8known portfolio companies3people tracked11co-investors

DEFTA Partners is a venture capital firm. Based in San Francisco, California, United States. Known portfolio companies include 1World Online, TARA Biosystems, Actuate Therapeutics, Acepodia, DiA Imaging Analysis and Endogena, 8 companies in all.

Is DEFTA Partners a fit for your startup?

Paste your website. AI checks the fit and scores every other investor too.

Investment focus

Who to pitch at DEFTA Partners

DEFTA Partners portfolio companies (8)

  • 1World Online
  • TARA Biosystems
  • Actuate Therapeutics
  • Acepodia
  • DiA Imaging Analysis
  • Endogena
  • Aegle Therapeutics
  • InformAI

Co-investors

Funds that share portfolio companies with DEFTA Partners.

Similar funds

Showing 20 of 100

About DEFTA Partners

The firm's listing covers sectors AI, Consumer, Healthcare and SaaS, and focus areas Analytics, Biotech, Clinical Trials and Computer Vision; known deals cluster at Seed, Series A and Series B.

The contacts to approach at DEFTA Partners are Kyoko Watanabe (Managing Director), Masa Isono (Principal) and Baldev Madahar (Vice President).

DEFTA Partners shares portfolio companies with 11 other investment firms, among them Alexandria Real Estate Equities, Agate Medical Investments Group and Alexandria Real Estate Equities.

Frequently asked questions

What is DEFTA Partners?

DEFTA Partners is a venture capital firm based in San Francisco, California, United States, with a known portfolio of 8 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 DEFTA Partners invest in?

Listed sectors include AI, Consumer, Healthcare and SaaS; listed focus areas include Analytics, Biotech, Clinical Trials and Computer Vision. 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 DEFTA Partners invest at?

The known deals of DEFTA Partners 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 DEFTA Partners?

All 3 people on file at DEFTA Partners are listed as contacts for the firm, each with their own profile page.

How do I contact DEFTA Partners?

Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 people attached to the firm have their own pages, each showing whether an address is on file for them.

Skip the browsing. Let AI find your ideal investors in one minute.

Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.

Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal