People
- Investment range
- $100K – $500K
- Sweet spot
- $250K
- Investments on record
- 65
Investments
| $—2026-08-26 | Oliver AI | John Vrionis |
| $130M2025-12-19 |  Resolve AI | John Vrionis |
| $8M2025-07-29 |  FluidCloud | John Vrionis |
| $22M2025-01-29 |  Paxton | John Vrionis |
| $35M2024-10-01 | Resolve AI | John Vrionis |
| $30M2024-05-01 | Traceable | John Vrionis |
| $12M2023-09-12 |  CO2 AI | Alison Imbert, John Vrionis |
| $4M2023-04-05 | Roboto AI | Unusual Ventures, John Vrionis |
| $25M2022-05-18 |  HumanSignal | John Vrionis |
| $75M2022-05-17 |  Vivun | John Vrionis |
| $5M2022-05-11 |  Socket | John Vrionis |
| $60M2022-05-02 | Traceable | John Vrionis |
| $5M2021-09-15 |  Relyance AI | Jyoti Bansal, John Vrionis |
| $25M2021-09-15 | Relyance AI | Jyoti Bansal, John Vrionis |
| $12M2021-05-13 |  BluBracket | John Vrionis |
| $6M2021-04-06 |  Mem | Unusual Ventures, David Ulevitch, John Vrionis |
| $5M2021-03-25 | CoScreen | Anthony Goldbloom, John Vrionis |
| $35M2021-02-10 | Vivun | Matt Garratt, John Vrionis |
| $18M2020-10-14 | Vivun | John Vrionis |
| $7M2020-02-19 | BluBracket | John Vrionis |
| $3M2019-11-26 | Vivun | John Vrionis |
| $3M2019-11-05 |  Launchable | John Vrionis |
| $—2019-03-27 |  Kespry | John Vrionis |
| $—2019-03-15 | BluBracket | John Vrionis |
| $45M2018-10-25 |  Arctic Wolf | John Vrionis |
| $2M2018-08-20 | Alpha Vantage | John Vrionis |
| $3M2018-08-01 | Banyan Security | John Vrionis |
| $37M2018-06-27 |  CloudBees | John Vrionis |
| $16M2018-01-10 | Arctic Wolf | John Vrionis |
| $33M2017-12-05 | Kespry | Lightspeed, H. Barton Asset Management, ABB Ventures, Threshold Ventures, Cisco Investments, Shell Ventures, John Vrionis, ABB Technology Ventures |
| $8M2017-08-15 |  Streamlio | Sudip Chakrabarti, John Vrionis |
| $12M2017-08-08 | Citadel Defense Company | John Vrionis |
| $15M2017-05-01 |  Ascend.io | John Vrionis |
| $16M2016-06-21 | Kespry | John Vrionis |
| $57M2016-06-14 |  Barefoot Networks | Ben Horowitz, John Vrionis |
| $4M2015-12-16 | Ascend.io | John Vrionis |
| $13M2015-09-15 |  Datos IO | John Vrionis |
| $50M2015-06-01 | Barefoot Networks | Ben Horowitz, John Vrionis |
| $24M2015-01-27 | CloudBees | John Vrionis |
| $12M2014-10-22 | Kespry | John Vrionis |
| $110M2014-09-04 |  DataStax | John Vrionis |
| $70M2014-07-22 |  AppDynamics | John Vrionis |
| $24M2014-05-14 | Barefoot Networks | Ben Horowitz, John Vrionis |
| $22M2014-04-03 | Boundary | John Vrionis |
| $14M2014-03-25 |  Embrane | Cisco, Presidio Ventures, Lightspeed Venture Partners, New Enterprise Associates, North Bridge Venture Partners, John Vrionis |
| $11M2014-03-05 | CloudBees | John Vrionis |
| $45M2013-07-23 | DataStax | John Vrionis |
| $18M2013-02-25 | Click Security | John Vrionis |
| $50M2013-01-23 | AppDynamics | John Vrionis |
| $20M2012-12-12 | Arctic Wolf | John Vrionis |
| $25M2012-10-01 | DataStax | John Vrionis |
| $41M2012-09-10 |  Nimble Storage | Peter Wagner, John Vrionis |
| $10M2012-08-21 | Revel Touch | Lightspeed, Foundation Capital, John Vrionis |
| $15M2012-07-10 | Boundary | John Vrionis |
| $7M2012-05-01 | Arctic Wolf | John Vrionis |
| $20M2012-01-17 | AppDynamics | John Vrionis |
| $4M2011-11-15 | Boundary | John Vrionis |
| $11M2011-09-21 | DataStax | John Vrionis |
| $18M2011-08-25 | Embrane | John Vrionis |
| $11M2011-07-25 | CloudBees | John Vrionis |
| $25M2011-07-14 | Nimble Storage | John Vrionis |
| $16M2010-12-08 | Nimble Storage | John Vrionis |
| $3M2010-10-27 | DataStax | John Vrionis |
| $6M2008-05-15 | AppDynamics | John Vrionis |
| $3M2008-01-28 | HireXperience | John Vrionis |
