Alex Kleiner is a Partner at Rubicon Technology Partners, whose known portfolio counts 10 companies.
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Investment focus
- Stage
- Late-StageSeed
- Sector
- CommerceHealthcareSaaS
Contacts
Affiliated funds' portfolios
Partner at Rubicon Technology Partners, whose known portfolio counts 10 companies
- AppNeta
- Tendril
- Nulogy
- Ascend Analytics
- Bamboo Rose
- Cin7
- Gimmal
- QSR International
- Tacton Systems
- Vimly Benefit Solutions
Investor Profile
The listing covers sectors Commerce, Healthcare and SaaS, and focus areas CRM, Cloud Infrastructure, Customer Support and Data Analytics. Startups operating in these areas may find Alex Kleiner relevant.
Rubicon Technology Partners appears in Late-Stage and Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Alex Kleiner matches their raise.
Colleagues at Rubicon Technology Partners
Steve Carpenter
Partner
Boulder, United States
John Hodge
Partner
Palo Alto, United States
Jason Winsten
Partner
Boulder, United States
Alison Beyer
Principal
Boulder, United States
Andy Gesell
Partner
Greenwich, United States
Connor Yakish
Vice President
Boulder, United States
Ben Falloon
Principal
Denver, United States
Stephanie Curtis
Vice President
Boulder, United States
Evan Howell
Principal
Boulder, United States
Vincent Chao
Partner
Boulder, United States
Carpus Tin
Vice President
Denver, United States
Frequently asked questions
Who is Alex Kleiner?
Alex Kleiner is a private equity investor based in New Haven, Connecticut, United States, listed as Partner at Rubicon Technology Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Alex Kleiner personally.
What does Alex Kleiner invest in?
Listed sectors include Commerce, Healthcare and SaaS; listed focus areas include CRM, Cloud Infrastructure, Customer Support and Data Analytics. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Alex Kleiner invest at?
Rubicon Technology Partners appears in Late-Stage and Seed rounds across its known deals, and Alex Kleiner is listed there as Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Alex Kleiner listed at?
Alex Kleiner is listed as Partner at Rubicon Technology Partners. 11 other people in the database share a firm with Alex Kleiner.
How do I contact Alex Kleiner?
An email address, a phone number and a LinkedIn page are on file for Alex Kleiner. 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