Ronald Steven Johnson is listed as Founder at Corundum Group, Inc. on SEC Form ADV.
Form ADV reports a beneficial ownership band of Under 5%.
| Title | Founder |
| Ownership | Under 5% |
| Control person | Yes |
| Since | 2017 |
| Title | Founder |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2006 |