People · Operator
Named in public records as an officer, director or promoter · active 2008–2025 · Biotechnology, Pharmaceuticals, Other Technology, Biotech / Pharma, Other Health Care, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Predictive Oncology Inc. | — | Biotechnology | Series D+ | $280.1M | $1.3B | 2014 |
| VelosBio Inc. | — | Biotechnology | Series D+ | $210.5M | $5.6B | 2018 |
| Aura Biosciences, Inc. | — | Biotechnology | Series C | $198.2M | $2.5B | 2021 |
| Solve Therapeutics, Inc. | — | Biotechnology | Series C | $162.1M | $254.7M | 2021 |
| Aveo Pharmaceuticals Inc | — | Pharmaceuticals | Series C | $98.2M | $263.2M | 2009 |
| Clickfox, Inc | — | Other Technology | Series B | $74.8M | $88.3M | 2010 |
| Sudo Biosciences, Inc. | — | Biotech / Pharma | Series C | $73.1M | $685.1M | 2023 |
| Omni Orthopaedics Inc | — | Other Health Care | Series B | $65.6M | $110.8M | 2018 |
| Berkeley Research Group Holdings, LLC | — | Other | Series B | $62.6M | $323.0M | 2020 |
| Achates Power Inc | — | Energy / Climate | Series B | $53.1M | $408.2M | 2009 |
| Alliqua BioMedical, Inc. | — | Biotechnology | Series A | $52.6M | $100.1M | 2013 |
| ItsOn Inc. | — | Other Technology | Series B | $40.9M | $392.2M | 2010 |
| Enveric Biosciences, Inc. | — | Pharmaceuticals | Series A | $37.6M | $3.7M | 2021 |
| GigaGen, Inc. | — | Pharmaceuticals | Series B | $36.1M | $1.2B | 2017 |
| Lengo Therapeutics, Inc. | — | Pharmaceuticals | Series B | $17.7M | $601.9M | 2020 |
| Dash Bio, Inc. | — | Biotechnology | Series A | $17.1M | $36.5M | 2024 |
| Advanced Diamond Technologies Inc | — | Other | Series A | $14.6M | $12.8M | 2008 |
| Ip Commerce Inc | — | Other Technology | Series A | $13.4M | $99.5M | 2011 |
| Headwater Partners I LLC | — | Other Technology | Series A | $11.8M | $117.9M | 2010 |
| Power Solutions Holdings, LLC | — | Manufacturing | Series A | $8.0M | $17.1M | 2021 |
| AF Security Holdings Corp. | — | Computers | Seed | $6.5M | $81.6M | 2015 |
| Fireman's Brew, Inc. | — | Other | Series A | $5.9M | $15.5M | 2011 |
| Columbia Nutritional, LLC | — | Manufacturing | Seed | $4.2M | $10.9M | 2018 |
| Indigo Identityware, Inc. | — | Other Technology | Seed | $4.0M | $30.2M | 2011 |
| MedUse Healthcare Inc. | — | Other Health Care | Seed | $4.0M | $7.5M | — |
| TAKING POINT, Inc | — | Other Technology | Seed | $3.3M | $6.0M | 2011 |
| Gilson Snow, Inc. | — | Manufacturing | Seed | $2.3M | $4.7M | 2023 |
| Argos Risk LLC | — | Other Technology | Seed | $2.0M | $6.8M | 2013 |
| Imperial Helium Corp. | — | Other | Seed | $1.8M | $16.8M | 2021 |
| Slingshot USA LLC | — | Other | Pre-Seed | $1.4M | $4.2M | 2022 |
| eSherpa, Inc. | — | Other Technology | Seed | $1.1M | $39.2M | 2015 |
| Vision Processing Technologies, Inc. | — | Manufacturing | Seed | $1.1M | $13.5M | 2010 |
| Headwater Partners Ii Llc | — | Other Technology | Pre-Seed | $1.0M | $42.4M | 2011 |
| Genoil Inc | — | Other Technology | Pre-Seed | $613K | $26.0M | 2009 |
| Park Place Energy Corp. | — | Other | Pre-Seed | $185K | $4.3M | 2010 |
David Johnson 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 David Johnson on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Brown | 3 | 25 |
| Charles Giancarlo | 3 | 9 |
| James Straight | 3 | 3 |
| Gregory Raleigh | 3 | 3 |
| Kuk Yi | 2 | 7 |
| Alan Colowick | 2 | 7 |
| Karan Takhar | 2 | 2 |
| Langdon Miller | 2 | 2 |
| Curt Arvidson | 2 | 2 |
| Jay Leek | 1 | 17 |
| David Kaplan | 1 | 15 |
| Andrew Smith | 1 | 14 |
| Peter B. Finn | 1 | 11 |
| Russell Hirsch | 1 | 10 |
| Scott L. Glenn | 1 | 9 |
| Mark Wagner | 1 | 9 |
| David Johnston | 1 | 8 |
| David Solomon | 1 | 8 |
| James Sapirstein | 1 | 7 |
| Steven Berger | 1 | 7 |
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.