John Leganski
🏛️ Revolving DoorFormer Government Position:
Chief Dep., Speaker Off. '23; Chief Dep., Min. Leader Off. '22; Floor Dir., Min. Leader Off. '19-'21; Floor Dir., Maj. Leader Off. '17-'19; Dep. Floor Dir., Maj. Leader Off. '16; Floor Assist. Maj. Leader Off. '14-'15; Floor Assist. Maj. Whip Off.'13
🤖
AI Overview
John Leganski has appeared in 962 federal lobbying filings at Harbinger Strategies, LLC, representing 50 clients. As a former government official, they bring insider expertise to their lobbying work — part of Washington's "revolving door." Active across 40 policy areas.
962
Total Filings
1
Firms
50
Clients
40
Issue Areas
Issue Areas
Filing History
| Year | Filings | Clients |
|---|---|---|
| 2024 | 414 | 54 |
| 2025 | 548 | 65 |
Firms
Harbinger Strategies, LLC962 filings
Top Clients
Fedex Corporation33 filings
American Clean Power Association30 filings
Citigroup Washington INC.28 filings
Bipartisan Policy Center Action26 filings
Maplebear INC. D/B/A Instacart25 filings
Diageo North America, INC.24 filings
Mgm Resorts International24 filings
Cargill, INC.24 filings
Altria Client Services LLC23 filings
Hilton Worldwide23 filings
Nextera Energy, INC.21 filings
Spacex21 filings
Comcast Corporation20 filings
Exxon Mobil Corporation20 filings
Linkedin Corporation20 filings
HSBC Technology & Services USA, INC.19 filings
American Bankers Association18 filings
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Data Sources: Senate LDA Filings
Last updated: February 2026
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