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10866 Wilshire Blvd., Ste 770, Los Angeles, CA 90024 • United States
Current Registrations
| Authority | Category | Status | Date |
|---|---|---|---|
| CA | RA | APPROVED | 2025-11-30 |
Branch Locations
10866 Wilshire Blvd Ste 770, Los Angeles, CA 90024 • United States
No disclosure categories reported as “Yes” on this SEC record.
| Organization | City | State | From | To |
|---|---|---|---|---|
| Tanner Mainstain Glynn & Johnson Llp | Los Angeles | CA | 06/1975 | 06/2021 |
| Tanner Mainstain Glynn & Johnson Llc | Los Angeles | CA | 07/2021 | 03/2023 |
| Ground Control Business Management | Los Angeles | CA | 04/2023 | Present |
| Ami Asset Management | Los Angeles | CA | 09/1993 | Present |
Mr. Mainstain is a Managing Director of Ground Control Business Management (GCBM), a non-affiliated business management and tax consulting firm. He devotes 90% of his time to the business activities of GCBM. Mr. Mainstain is a 33.3% partner of HUMATA Partners and BPM Partners, both are partnerships that invest in real estate investments. Mr. Mainstain devotes less than 10% of his time to the business activities of HUMATA and BPM.
| Code | Exam | Date |
|---|---|---|
| S65 | Uniform Investment Adviser Law Examination | 2001-11-28 |
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