Brian Hackler

🏛️ Revolving Door

Former Government Position:

Deputy Chief of Staff, U.S. Senate; State Director, U.S. Senate; Field Representative, U.S. Senate; Non-commissioned Officer, U.S. Marine Corps.

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AI Overview

Brian Hackler has appeared in 380 federal lobbying filings at Cornerstone Government Affairs, INC., representing 16 clients. As a former government official, they bring insider expertise to their lobbying work — part of Washington's "revolving door." Active across 22 policy areas.

380
Total Filings
1
Firms
16
Clients
22
Issue Areas

Issue Areas

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Filing History

YearFilingsClients
2020112
20218711
20227410
2023328
20248510
20259111

Firms

Cornerstone Government Affairs, INC.380 filings

Top Clients

Greater Oklahoma City Chamber70 filings
Ou Medicine, INC.55 filings
Fista Development Trust Authority54 filings
Lugert-altus Irrigation District38 filings
Aviation Training Consulting, LLC32 filings
Berry Aviation, INC.28 filings
Camgian Corporation (FKA Camgian Microsystems Corporation)26 filings
Wheeler Bio (FKA Wheeler Labs LLC)19 filings
3 Proton Lithium INC.14 filings
Covington Aircraft Engines INC.14 filings
The University of Arizona10 filings
Citadel Defense Company8 filings
Echo Investment Capital LLC4 filings
Bancfirst4 filings
Bedrock Gas Solutions2 filings
Tss Solutions2 filings

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Data Sources: Senate LDA Filings

Last updated: February 2026

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