People · Operator
Named in public records as an officer, director or promoter · active 2008–2021 · Manufacturing / Industrial, Other Technology, Retailing
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Particle Industries, Inc. | — | Manufacturing / Industrial | Series B | $129.2M | $24.0M | 2016 |
| Sight Machine, Inc. | — | Other Technology | Series B | $85.2M | $897.3M | 2013 |
| BetaBrand Corp | — | Retailing | Series A | $25.2M | $51.4M | 2015 |
| LearnZillion, Inc. | — | Other Technology | Series A | $22.1M | $360.6M | 2012 |
| Collabnet Inc | — | Other Technology | Series A | $13.4M | $69.4M | 2010 |
| Amee Inc | — | Other Technology | Series A | $10.4M | $83.2M | 2008 |
| OpenSignal, Inc. | — | Other Technology | Series A | $9.1M | $253.0M | 2018 |
| Riffyn, Inc. | — | Other Technology | Seed | $6.0M | $109.5M | 2016 |
| Netki, Inc. | — | Other Technology | Seed | $3.6M | $122.0M | 2016 |
Mark Jacobsen at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.
People named alongside Mark Jacobsen on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Albert Wenger | 1 | 20 |
| Jason Mendelson | 1 | 19 |
| Nabeel Hyatt | 1 | 16 |
| Roger Ehrenberg | 1 | 14 |
| Promod Haque | 1 | 13 |
| Jim Andelman | 1 | 12 |
| Andrew Parker | 1 | 10 |
| PETER MORAN | 1 | 9 |
| Robert Hutter | 1 | 7 |
| Sameer Reddy | 1 | 7 |
| Kevin Harvey | 1 | 7 |
| Avidan Ross | 1 | 6 |
| Keith Krach | 1 | 6 |
| Josh Scott | 1 | 6 |
| James Robinson | 1 | 6 |
| Tim Murphy | 1 | 6 |
| Rik Wehbring | 1 | 5 |
| TORY PATTERSON | 1 | 5 |
| Adrian Fortino | 1 | 5 |
| John Fry | 1 | 4 |
People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.