Warren Adelman is an angel investor based in Scottsdale, Arizona, United States with 3 known investments: Optimal, ClearedIn and Webflakes.
Is Warren Adelman a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Warren Adelman portfolio companies (3)
- Optimal
- ClearedIn
- Webflakes
Investor Profile
The listing covers sectors Consumer and SaaS, and focus areas Cloud Infrastructure, Cybersecurity and Enterprise SaaS. Startups operating in these areas may find Warren Adelman relevant.
Stage-wise, the known deals cluster around Seed, Series A and Series B rounds.
The portfolio and focus above give founders context on whether Warren Adelman matches their raise.
Similar investors
Showing 20 of 99
Scott Johnston
Builder
San Francisco, United States
Adam Levensohn
angel investor
Seattle, United States
John Spiers
angel investor and operator angel
Boulder, United States
Dave Kellogg
EIR
San Francisco, United States
Amiram Shachar
operator angel
United States
Warren Weiss
Managing Partner
Redwood City, United States
Dan S.
Senior Managing Director/Founder
Kansas City, United States
Bob Muglia
angel investor
United States
Dave DeWalt
Founder
Scottsdale, United States
Warren Patterson
angel investor
Charleston, United States
Jake Klein
angel investor and operator angel
Israel
Diane Greene
angel investor
San Francisco, United States
David H.
angel investor and operator angel
Washington, United States
Leslie Stretch
operator angel
Ed Engler
angel investor and operator angel
Pittsburgh, United States
Ed Sim
Founder
Miami, United States
Errol Damelin
Founder & Managing Partner
London, United Kingdom
Dave Williams
angel investor and operator angel
San Francisco, United States
Eran Gil
angel investor and operator angel
Boulder, United States
Varun Badhwar
angel investor and operator angel
Palo Alto, United States
Frequently asked questions
Who is Warren Adelman?
Warren Adelman is an angel investor based in Scottsdale, Arizona, United States with 3 known investments on file, among them Optimal, ClearedIn and Webflakes. The sections above list the sectors and stages attached to that record.
What does Warren Adelman invest in?
Listed sectors include Consumer and SaaS; listed focus areas include Cloud Infrastructure, Cybersecurity and Enterprise SaaS. 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 Warren Adelman invest at?
The known deals of Warren Adelman include Seed, Series A and Series B 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 Warren Adelman?
An email address, a phone number and a LinkedIn page are on file for Warren Adelman. 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 5 September 2026 · How this data is built · Report a correction or request removal