Mark W. O. Brien

person

Unified public record assembled from the source systems listed below. Amounts describe distinct reported activity and are not added into a single influence total.

Open donor profile

Political giving

$450

Political receipts

Lobbying income

—

Lobbying expense

—

Federal awards

—

Relationships

Connected records

Relationship	Connected entity	Amount / weight	Period
contributed to	Exxon Mobil Corporation Political Action Committee (exxonmobil Pac)	$240	Jul 31, 2025 – Aug 31, 2026
contributed to	Exxon Mobil Corporation Political Action Committee (exxonmobil Pac)	$210	Dec 31, 2023 – Dec 31, 2024
employed by	Xto Energy Inc.	1	—

Source coverage

fec individual: O BRIEN, MARK W
fec individual: O BRIEN, MARK W|TX

Mark W. O. Brien — Influence Profile | Poliscope