# KEITH J. FEINBERG

KEITH J. FEINBERG is an investment adviser representative (IAR) with state registration records since 2021, appearing at 4 firms. Currently registered with FIVE ELEVEN FAMILY OFFICE LLC.

## Registration history (4)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [FIVE ELEVEN FAMILY OFFICE LLC](https://search.stillhousedata.com/firm/334002) | 2025-05-21 | present | Yes |
| [SEVEN MILE ADVISORY LLC](https://search.stillhousedata.com/firm/324114) | 2023-03-29 | 2024-11-07 | — |
| [MARINER PLATFORM SOLUTIONS, LLC](https://search.stillhousedata.com/firm/305418) | 2022-04-04 | 2023-03-31 | — |
| [CERITY PARTNERS LLC](https://search.stillhousedata.com/firm/151559) | 2021-06-11 | 2022-04-25 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/7394452)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/7394452.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.