Len Haussler is a President at OPUS, whose known portfolio counts 20 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
President at OPUS, whose known portfolio counts 20 companies
- Groq
- Figure
- Agrolend
- Doji
- Cayena
- Prove
- SiSense
- Frota 162
- Surkus
- Mantis-AI
- Panzura
- Workboard
- and 8 more
Investor Profile
Len Haussler is listed against sectors AI, FinTech, Hardware and Healthcare, and focus areas AI Infrastructure, AgriTech, Business Intelligence and Cloud Infrastructure in the database.
Stage-wise, the deals at OPUS cluster around Growth, Late-Stage and Pre-Seed rounds.
The firm portfolio and the focus above give founders context on whether Len Haussler matches their raise.
Colleagues at OPUS
Alexander Ardies
Board Member
London, United Kingdom
Daniel Wardle
Member
London, United Kingdom
Jessica Barlow
Member
London, United Kingdom
Hazel Nabarro
Opus Member & Investor
London, United Kingdom
Serge Plotkin
Venture Partner
Flower Mound, United States
Dan Avida
General Partner
San Mateo, United States
Susanna Harsia
Venture Capital & Private Equity Professional
Helsinki, Finland
Frequently asked questions
Who is Len Haussler?
Len Haussler is a venture capital investor based in Cincinnati, Ohio, United States, listed as President at OPUS. The known portfolio of that firm counts 20 companies. That portfolio belongs to the firm, not to Len Haussler personally.
What does Len Haussler invest in?
Listed sectors include AI, FinTech, Hardware and Healthcare; listed focus areas include AI Infrastructure, AgriTech, Business Intelligence and Cloud Infrastructure. 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 Len Haussler invest at?
OPUS appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Len Haussler is listed there as President. 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 Len Haussler listed at?
Len Haussler is listed as President at OPUS. 7 other people in the database share a firm with Len Haussler.
How do I contact Len Haussler?
A LinkedIn page is on file for Len Haussler. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal