Stuart Chapman

🏛️ Revolving Door

Former Government Position:

Chief of Staff, Representative Carolyn McCarthy; Chief of Staff, Representative Zack Space; Press Secretary, Senator Jay Rockefeller; Press Secretary, Representative Barbara Lee

Share:𝕏LinkedInFacebook
🤖

AI Overview

Stuart Chapman has appeared in 742 federal lobbying filings at Thorn Run Partners, representing 41 clients. As a former government official, they bring insider expertise to their lobbying work — part of Washington's "revolving door." Active across 26 policy areas.

742
Total Filings
1
Firms
41
Clients
26
Issue Areas

Issue Areas

COMHCRTECCPTHOUSPOSCIPHAMEDACCMMMFINIMMTAXENVCSPSMBBUDLBRTRDECNPOSRESAUTTRACPI

Filing History

YearFilingsClients
2018347
20196212
20209416
202111324
202211621
202313925
202410022
20258420

Firms

Thorn Run Partners742 filings

Top Clients

American Seniors Housing Association69 filings
College of Healthcare Information Management Executives (Chime)60 filings
The Biosimilars Forum53 filings
Environmental Working Group36 filings
Solve Me/cfs Initiative36 filings
Imprivata INC31 filings
Stryker Corporation31 filings
Interdigital, INC.30 filings
Equifax INC.30 filings
T-mobile USA, INC.29 filings
Comcast Corporation27 filings
National Football League27 filings
National Association for Behavioral Healthcare26 filings
Biogen20 filings
Avanci19 filings
Amylyx19 filings
Health Level Seven International (Hl7)17 filings
Independent Restaurant Coalition15 filings
Vocera Communications14 filings
The Goodyear Tire & Rubber Company14 filings

Related Analysis

🏛️ Revolving Door Premium
Do ex-government lobbyists earn more?
🕸️ Network Analysis
Explore connections between firms and lobbyists
🎯 Market Concentration
How concentrated is the lobbying market?

Related Investigations

The Revolving Door Exposed
How former government officials become the most powerful lobbyists.
Big Pharma's $452M Lobbying Machine
How pharmaceutical companies spend hundreds of millions to influence health policy.
Big Tech's $150M Lobbying War
Tech giants battle over AI, antitrust, privacy, and trade.
Follow the Money
Tracking lobbying dollars through the financial system.
The 22,000% ROI
When lobbying spending yields outsized returns.
The 2025 Tariff Panic
As tariffs return, lobbying on trade surges.

Explore More

← All Lobbyists🏛️ Revolving Door🕸️ Network Analysis🏛️ Agency Pressure 🔍 Investigations

Data Sources: Senate LDA Filings

Last updated: February 2026

This site is an independent journalism project. Analysis and editorial content are not affiliated with or endorsed by any government agency.