# Michael Nierenberg

> Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.

## Record

| Field | Value |
| --- | --- |
| Representation | alpha-profile-markdown-v4 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-0:d751713988987e9331980363e24189ce |
| Governance record representation | alpha-governance-record-v2 |
| Canonical entity | alpha:person:michael-nierenberg |
| Entity type | Person |
| Canonical URL | https://registry.alpha.ac/people/michael-nierenberg |
| Publication | PUBLISHED |
| Verification | corroborated |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 10 |
| Claims under review | 0 |
| Evidence records | 12 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-20T18:19:00.951353+00:00 |
| Last reviewed | 2026-05-16T07:40:14.361+00:00 |

## Identity

- Legal name: Michael Nierenberg
- Display name: Michael Nierenberg

## Alpha Governance Record

| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-0:d751713988987e9331980363e24189ce |
| As of | 2026-10-20T18:19:01.238911+00:00 |
| Completeness | 1 |
| Record Quality | 0.945 |
| Directors | 0 |
| Committees | 0 |
| Governance events | 1 |
| Entity class | person |

## Section coverage

| Section | State |
| --- | --- |
| identity | PUBLISHED |
| corporate_structure | NOT_APPLICABLE |
| board | NOT_APPLICABLE |
| committees | NOT_APPLICABLE |
| leadership | NOT_APPLICABLE |
| ownership | NOT_APPLICABLE |
| financials | NOT_APPLICABLE |
| capital_structure | NOT_APPLICABLE |
| compensation | NOT_APPLICABLE |
| governance | NOT_APPLICABLE |
| shareholder_governance | NOT_APPLICABLE |
| audit | NOT_APPLICABLE |
| legal | NOT_APPLICABLE |
| risk | NOT_APPLICABLE |
| cyber | PUBLISHED |
| ai_governance | PUBLISHED |
| agent_governance | NOT_APPLICABLE |
| markets_external | NOT_APPLICABLE |
| events | PUBLISHED |
| relationships | PUBLISHED |
| assessments | PUBLISHED |
| evidence | PUBLISHED |

## Governance events

- DIRECTOR_APPOINTED: Michael Nierenberg seat on Rithm Capital Corp., effective 2013-01-01. Effective: 2013-01-01. Detected: 2026-05-16T07:40:14.361+00:00. event_id=alpha:event:transition:1rtmi921np56ag

## Scoped resources

- `alpha://person/michael-nierenberg` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record
- `alpha://person/michael-nierenberg/identity` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=identity
- `alpha://person/michael-nierenberg/corporate-structure` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=corporate-structure
- `alpha://person/michael-nierenberg/board` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=board
- `alpha://person/michael-nierenberg/committees` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=committees
- `alpha://person/michael-nierenberg/leadership` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=leadership
- `alpha://person/michael-nierenberg/ownership` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=ownership
- `alpha://person/michael-nierenberg/financials` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=financials
- `alpha://person/michael-nierenberg/capital-structure` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=capital-structure
- `alpha://person/michael-nierenberg/compensation` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=compensation
- `alpha://person/michael-nierenberg/governance` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=governance
- `alpha://person/michael-nierenberg/shareholder-governance` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=shareholder-governance
- `alpha://person/michael-nierenberg/audit` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=audit
- `alpha://person/michael-nierenberg/legal` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=legal
- `alpha://person/michael-nierenberg/risk` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=risk
- `alpha://person/michael-nierenberg/cyber` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=cyber
- `alpha://person/michael-nierenberg/ai-governance` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=ai-governance
- `alpha://person/michael-nierenberg/agents` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=agents
- `alpha://person/michael-nierenberg/ecosystem` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=ecosystem
- `alpha://person/michael-nierenberg/events` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=events
- `alpha://person/michael-nierenberg/relationships` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=relationships
- `alpha://person/michael-nierenberg/assessments` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=assessments
- `alpha://person/michael-nierenberg/evidence` (contract): https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record&section=evidence

## Role modules

- Director

## Attention

- NO_RECORDS_FOUND

## Committee data

- NO_RECORDS_FOUND

## Leadership

- PUBLISHED

## Roles

- Director at Rithm Capital Corp.. Claim: alpha:claim:person:michael-nierenberg:role:1. Valid from: 2013-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c6d53d7e8bfe64a460e600ecdae077b07a8e9c630893921a6d3cdfef97adcde5.

## Governance

- PUBLISHED

## Board committees

- PUBLISHED

## AI and ML experience

- AI and ML experience: not identified in the cited filing. Claim: alpha:claim:person:michael-nierenberg:ai_ml_experience:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:73dda9134b5218e943d1663de49d0f2b0f93c64ec9a43574c108fac8b8696a4f.

## Board membership

- Serves on the board of Rithm Capital Corp.. Claim: alpha:claim:person:michael-nierenberg:board_membership:2. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:85b7afe31b6690de2de91513109e7a65d0cf6d5c8b20f40026df8daad6b969a6.

## Cybersecurity experience

- Cybersecurity experience: not identified in the cited filing. Claim: alpha:claim:person:michael-nierenberg:cybersecurity_experience:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:73dda9134b5218e943d1663de49d0f2b0f93c64ec9a43574c108fac8b8696a4f.

## Executive company

- Executive at Rithm Acquisition Corp.. Claim: alpha:claim:person:michael-nierenberg:executive_company:4. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:000da60c359ab336722f950bccc269171312360ed4af8b6f2342d0917805ab9a, alpha:projection-evidence:document:3bf344e293a980d4be47b53e92421e289ef72956e9f1c84deb560a9040150afe, alpha:projection-evidence:document:4ffc3dc02f35bd3f13d0a4d44b0a5c57bf48c7ccc18791601c0f55f6c063be7a.
- Executive at Rithm Capital Corp.. Claim: alpha:claim:person:michael-nierenberg:executive_company:5. Valid from: 2026-04-09. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:988e1b66dc5525a01a36367a2ffe4d7a317ff83adeb79d455dde514dad572264, alpha:projection-evidence:document:44a08c4c24f6e1e1e2d728199db2dc90a6f44940792083f2d2a9c55b27406780, alpha:projection-evidence:document:d2a4072361a05d8d0b68a2830a697706eb14b896f33dde05a36a02e25f0769ce, alpha:projection-evidence:document:8a85190ac99959532a49ffad8dedf81d2812ab61079866d7a9d6884ab9757aab, alpha:projection-evidence:document:2b4dc1148bffa31feec6de832480fd605a04fa764c26867956a966d8d3fb56cc, alpha:projection-evidence:document:73dda9134b5218e943d1663de49d0f2b0f93c64ec9a43574c108fac8b8696a4f, alpha:projection-evidence:document:27aa5645016bdb5f82a80fc97882b024bcabf81b210bc8a952dab959ae7dbdb9.

## Executive title

- Executive title: Chairman and Chief Executive Officer. Claim: alpha:claim:person:michael-nierenberg:executive_title:6. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:000da60c359ab336722f950bccc269171312360ed4af8b6f2342d0917805ab9a, alpha:projection-evidence:document:4ffc3dc02f35bd3f13d0a4d44b0a5c57bf48c7ccc18791601c0f55f6c063be7a, alpha:projection-evidence:document:3bf344e293a980d4be47b53e92421e289ef72956e9f1c84deb560a9040150afe.
- Executive title: Chairman of the Board of Directors, Chief Executive Officer and President. Claim: alpha:claim:person:michael-nierenberg:executive_title:7. Valid from: 2026-04-09. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8a85190ac99959532a49ffad8dedf81d2812ab61079866d7a9d6884ab9757aab, alpha:projection-evidence:document:27aa5645016bdb5f82a80fc97882b024bcabf81b210bc8a952dab959ae7dbdb9, alpha:projection-evidence:document:73dda9134b5218e943d1663de49d0f2b0f93c64ec9a43574c108fac8b8696a4f, alpha:projection-evidence:document:44a08c4c24f6e1e1e2d728199db2dc90a6f44940792083f2d2a9c55b27406780, alpha:projection-evidence:document:988e1b66dc5525a01a36367a2ffe4d7a317ff83adeb79d455dde514dad572264, alpha:projection-evidence:document:d2a4072361a05d8d0b68a2830a697706eb14b896f33dde05a36a02e25f0769ce, alpha:projection-evidence:document:2b4dc1148bffa31feec6de832480fd605a04fa764c26867956a966d8d3fb56cc.

## Other Company Role

- Michael Nierenberg is also linked to Rithm Capital Corp. as Chief Executive Officer, Chairman of the board of directors, and President.. Claim: alpha:claim:person:michael-nierenberg:other_company_role:8. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:4ffc3dc02f35bd3f13d0a4d44b0a5c57bf48c7ccc18791601c0f55f6c063be7a.

## Technology background

- Technology background: not identified in the cited filing. Claim: alpha:claim:person:michael-nierenberg:technology_background:9. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:73dda9134b5218e943d1663de49d0f2b0f93c64ec9a43574c108fac8b8696a4f.

## Coverage states

| Field | Value |
| --- | --- |
| Identity | PUBLISHED |
| Business | NOT_APPLICABLE |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | PUBLISHED |
| Financials | NOT_APPLICABLE |
| Workforce | NOT_APPLICABLE |
| Ownership | NOT_APPLICABLE |
| Ratings | NOT_PUBLISHED |
| Market and index context | NOT_APPLICABLE |

## Public sources

- alpha:projection-evidence:document:73dda9134b5218e943d1663de49d0f2b0f93c64ec9a43574c108fac8b8696a4f: [RITM-PF DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:988e1b66dc5525a01a36367a2ffe4d7a317ff83adeb79d455dde514dad572264: [RITM-PB DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:44a08c4c24f6e1e1e2d728199db2dc90a6f44940792083f2d2a9c55b27406780: [RITM-PC DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:d2a4072361a05d8d0b68a2830a697706eb14b896f33dde05a36a02e25f0769ce: [RITM-PA DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:8a85190ac99959532a49ffad8dedf81d2812ab61079866d7a9d6884ab9757aab: [RITM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:2b4dc1148bffa31feec6de832480fd605a04fa764c26867956a966d8d3fb56cc: [RITM-PE DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:27aa5645016bdb5f82a80fc97882b024bcabf81b210bc8a952dab959ae7dbdb9: [RITM-PD DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:c6d53d7e8bfe64a460e600ecdae077b07a8e9c630893921a6d3cdfef97adcde5: [sec_proxy](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).
- alpha:projection-evidence:document:000da60c359ab336722f950bccc269171312360ed4af8b6f2342d0917805ab9a: [RAC 10-K executive officers](https://www.sec.gov/Archives/edgar/data/2047497/000110465925123203/racun-20250930x10k.htm).
- alpha:projection-evidence:document:3bf344e293a980d4be47b53e92421e289ef72956e9f1c84deb560a9040150afe: [RAC-UN 10-K executive officers](https://www.sec.gov/Archives/edgar/data/2047497/000110465925123203/racun-20250930x10k.htm).
- alpha:projection-evidence:document:4ffc3dc02f35bd3f13d0a4d44b0a5c57bf48c7ccc18791601c0f55f6c063be7a: [RAC-WT 10-K executive officers](https://www.sec.gov/Archives/edgar/data/2047497/000110465925123203/racun-20250930x10k.htm).
- alpha:projection-evidence:85b7afe31b6690de2de91513109e7a65d0cf6d5c8b20f40026df8daad6b969a6: [public_source](https://www.sec.gov/Archives/edgar/data/1556593/000110465926041536/tm2523978-2_def14a.htm).

## Rights

| Field | Value |
| --- | --- |
| public_retrieval | allowed |
| agent_retrieval | allowed |
| redistribution | not_granted |
| model_training | not_granted |
| commercial_use | not_specified |
| relationship_pathfinding | not_granted |
| direct_contact | not_granted |

## Limitations

- Only permissioned public claims and evidence are included.
- Absence of a claim is not evidence that the underlying fact is false.
- Public retrieval does not grant model-training or redistribution rights.
- Private relationships and Council activity are excluded.

## Alternate representations

- [Canonical profile](https://registry.alpha.ac/people/michael-nierenberg)
- [Public Markdown](https://registry.alpha.ac/people/michael-nierenberg.md)
- [Public JSON](https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/profiles/michael-nierenberg?format=jsonld)
- MCP resource: `alpha://people/michael-nierenberg` at https://mcp.alpha.ac/mcp


## Connected governance records

Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage.