ProofFirm match from fund name (lower confidence)
PROOF II OTS, LLC
Follow-ons only
Follow-ons only: first sale Mar 2021, per Form D (fund age approximates vintage)
- Vintage
- 2021
- Fund size
- $6.56M (Form D)
- Stages
- Growth
- Sectors
- Not stated
- Regions
- Not stated
01 · Thesis
No thesis found on the firm's website yet.
02 · Initial check
$219K to $410K (estimated from fund size)
Estimated from Form D
03 · Who to approach
Named on this fund's Form D
- Thanasis Delistathis, CO-FOUNDER, MANAGING PARTNER
- John Backus, Jr.
- John Burke, CO-FOUNDER, MANAGING PARTNER
04 · Deals
No deals attributed to this fund yet.
05 · Evidence
Firm-widePROOF is an expansion-stage venture capital firm investing in hypergrowth, breakout companies across leading venture sectors, backed by top-tier venture capital funds.
We are an expansion-stage venture capital firm investing in hypergrowth, breakout companies across leading venture sectors, backed by top-tier venture capital funds.
https://www.proof.vc/about-us
06 · Sources
Last verified: Oct 28, 2026