Category: Private Citizen — Corporate Director Role: Independent Director, Northrop Grumman Corporation Board Tenure: 2013 – present Committee Memberships: Audit Committee; Governance and Sustainability Committee Profile Type: Board Member Accountability — Anchor B (Documented Organizational Leadership)

Basis for Inclusion: Marianne C. Brown holds a documented governance role at Northrop Grumman Corporation, a major U.S. defense and aerospace contractor specializing in autonomous systems, space systems, and nuclear deterrence platforms, which made documented political donations to Trump-aligned entities. Northrop’s major programs — the B-21 Raider bomber, the Ground Based Strategic Deterrent (GBSD/Sentinel), and space systems — are funded through defense appropriations directly shaped by presidential budget decisions. This profile documents the factual governance relationship, not the subject’s personal political views.

Subject Classification: Private Citizen / Corporate Director. Board membership is a matter of public record.

What is NOT the basis for inclusion: Personal political opinions, party affiliation, or protected speech are NOT the basis for inclusion.

Biographical Overview

Marianne C. Brown is an executive with extensive experience in financial technology and capital markets infrastructure. She served as CEO of Omgeo (now DTCC), a global post-trade services company, and held senior roles at UBS and other financial institutions. Brown’s background spans financial services technology, operations, and corporate governance across global institutions. She joined Northrop Grumman’s board in 2013, bringing financial services technology and large-scale operations management experience to the defense contractor’s governance function.

Board Role and Governance Authority

• Company: Northrop Grumman Corporation (NYSE: NOC)
• Board tenure: 2013 – present
• Committee assignments: Audit Committee; Governance and Sustainability Committee
• Governance note: As an Audit Committee member, Brown participates in oversight of Northrop Grumman’s financial reporting and internal controls, including government contract cost accounting compliance.

Other Current Board Memberships

• Information not publicly confirmed in available sources; verify via current SEC filings

Parent Corporate Donor Profile

This profile is a governance-accountability companion to the Northrop Grumman corporate donor profile.

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Investigative trail pointers (public records)

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Sources

• Northrop Grumman Corporation DEF 14A Proxy Statement, 2025; SEC EDGAR