Gregg Hartley

🏛️ Revolving Door

Former Government Positions:

Chief of Staff Rep. Roy Blunt

Chief of Staff Congressman Roy Blunt

Chief of Staff Rep. Roy Bunt

Chief of Staff Roy Blunt

Chief of St Rep. Roy Blunt

Chief of Staff Rep. Blunt

Chief of Staff - Representative Blunt

Congressman Blunt - Chief of Staff

Representative Blunt - Chief of Staff

Rep. Blunt - Chief of Staff

Chief of Staff, Congressman Blunt

Reg Blunt - Chief of Staff

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AI Overview

Gregg Hartley has appeared in 1,277 federal lobbying filings at Hb Strategies, 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.

1,277
Total Filings
1
Firms
50
Clients
40
Issue Areas

Issue Areas

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Filing History

YearFilingsClients
201818225
201917726
202021929
202119126
202220728
202316732
2024597
20257512

Firms

Hb Strategies1277 filings

Top Clients

Outdoor Amusement Business Association136 filings
Cassidy & Associates on Behalf of Doe Run Company85 filings
Evergy Formerly Kansas City Power and Light Company75 filings
University of Houston63 filings
Cassidy & Associates on Behalf of Cerner Corporation51 filings
National Children's Alliance51 filings
Cassidy & Associates on Behalf of Expedia INC.49 filings
Bayer U.S. LLC45 filings
World Wildlife Fund40 filings
Cassidy & Associates on Behalf of Eaglepicher Technologies LLC37 filings
Missouri State University34 filings
Mutualink INC.32 filings
Intuit INC31 filings
Anacostia Watershed Society30 filings
Kevin Kayes LLC on Behalf of the Broadway League29 filings
Diamond Pet Foods INC.29 filings
Lathrop & Gage on Behalf of Bridgeton Landfill LLC and Rock Road Industries I27 filings
Edp Enterprises INC26 filings
Lindsay Corp.26 filings
AT&T Services INC25 filings

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Data Sources: Senate LDA Filings

Last updated: February 2026

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