People · Operator
Named in public records as an officer, director or promoter · active 2011–2025 · Restaurants, Other, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| PB Group Holdings, LLC | — | Restaurants | Series B | $35.2M | $110.9M | 2021 |
| Blue Ocean Aesthetics Holdings, LLC | — | Other | Series B | $22.1M | $240.4M | 2022 |
| Diamond Builders Holdings, LLC | — | Other | Series B | $21.6M | $157.9M | 2023 |
| Royal Oak Recycling Holdings, LLC | — | Other | Series B | $15.1M | $69.8M | 2025 |
| PB Group Partners, LLC | — | Restaurants | Series A | $15.0M | $40.6M | 2021 |
| Diamond Builders Partners, LLC | — | Other | Series A | $12.5M | $69.3M | 2023 |
| Tamarix Blocker PB 1, Inc. | — | Restaurants | Series A | $12.0M | $32.5M | 2021 |
| Blue Ocean Aesthetics Partners, LLC | — | Other | Series A | $11.3M | $101.6M | 2022 |
| Energy Management & Security Solutions, LLC | — | Other Technology | Series A | $9.0M | $249.3M | 2011 |
| Diamond Builders Aggregator, LLC | — | Other | Seed | $3.9M | $20.8M | 2023 |
Mark Hauser 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 Hauser on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jay Sprague | 3 | 3 |
| Michael Shein | 2 | 4 |
| Gary Matthews | 2 | 3 |
| Matthew Yoon | 2 | 2 |
| Sam Seraphim | 2 | 2 |
| Mark Mykityshyn | 1 | 2 |
| Mark J. Rohrer | 1 | 1 |
| Norman J. Wazaney | 1 | 1 |
| Allen Gales | 1 | 1 |
| Robert Giuliani | 1 | 1 |
| Timothy Spear | 1 | 1 |
| Jay Sprauge | 1 | 1 |
| Edmond Mamou | 1 | 1 |
| Christopher Waldron | 1 | 1 |
| . Tamarix Equity Partners, L.P. | 1 | 1 |
| Deepak Sethi | 1 | 1 |
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.