An angel investor and operator angel based in Los Angeles, California, United States, Kim Stiefel has 2 known investments: ZEFR and 140 Proof.
Is Kim Stiefel a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Kim Stiefel portfolio companies (2)
- ZEFR
- 140 Proof
Investor Profile
The listing covers sectors Commerce, Consumer, FinTech and SaaS, and focus areas A/B Testing, Consumer Internet, E-Commerce and Personalization. Startups operating in these areas may find Kim Stiefel relevant.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Similar investors
Showing 20 of 100
Jim Streibich
angel investor and operator angel
Chicago, United States
Peter Kim
angel investor
Shanghai, China
Jon Wiesman
angel investor
Aliso Viejo, United States
Stefanie Chao
angel investor
Los Angeles, United States
Adam Goldenberg
Co-Founder and CEO
Los Angeles, United States
Kirthiga Reddy
angel investor and operator angel
Las Vegas, United States
Kiha Lee
Founding Partner
San Francisco, United States
Aaron Hirschhorn
operator angel
John Surdakowski
angel investor and operator angel
New York, United States
Aimée Leifer
Venture Partner
Zermatt, Switzerland
Kim Perell
angel investor and operator angel
Miami, United States
Stefania Bethlen
Founder
New York, United States
Erik de Stefanis
angel investor
United States
Kimberly Salzer
angel investor and operator angel
Tampa, United States
Julie Fredrickson
angel investor and operator angel
New York, United States
Rabindra Shrestha
operator angel
Kyle Tibbitts
Founder & Investor
Salt Lake City, United States
Steve Schlafman
angel investor and operator angel
Stone Ridge, United States
Di-Ann Eisnor
angel investor and operator angel
Palo Alto, United States
Julia Stiglitz
angel investor and operator angel
San Francisco, United States
Frequently asked questions
Who is Kim Stiefel?
Kim Stiefel is an angel investor and operator angel based in Los Angeles, California, United States with 2 known investments on file, among them ZEFR and 140 Proof. The sections above list the sectors and stages attached to that record.
What does Kim Stiefel invest in?
Listed sectors include Commerce, Consumer, FinTech and SaaS; listed focus areas include A/B Testing, Consumer Internet, E-Commerce and Personalization. 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.
What stage does Kim Stiefel invest at?
The known deals of Kim Stiefel include Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Kim Stiefel?
An email address, a phone number and a LinkedIn page are on file for Kim Stiefel. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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 6 September 2026 · How this data is built · Report a correction or request removal