PIONEER PUBLIC AFFAIRS

Consulting and Government Affairs

700 Pennsylvania Avenue SE Suite 420 Washington DC 20003, Washington, DC  ·  JOSEPH BRITTON

Filings
428
Clients
46
Total Income
$14,430,000
Years Active
2021–2026

Filings

Year Client Period Income Expenses Doc
2026 NEXTERA ENERGY RESOURCES LLC 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$40,000
2026 CRUX CLIMATE, INC. 2nd Quarter (Apr 1 - June 30)
Registration
2026 THE PEW CHARITABLE TRUSTS 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$50,000
2026 LEAGUE OF CONSERVATION VOTERS 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$50,000
2026 SOLAR ENERGY INDUSTRIES ASSOCIATION 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$50,000
2026 SNOWSPORTS INDUSTRIES AMERICA 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report (No Activity)
2026 NATIONAL MATH AND SCIENCE INITIATIVE 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$50,000
2026 HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. (HASI) 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$40,000
2026 EVERGREEN ACTION 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$50,000
2026 CLIMATE POWER 1st Quarter (Jan 1 - Mar 31)
1st Quarter - Report
$50,000
Page 1 of 43  ·  428 filings Next

Clients Represented

Lobbyists

NameDisclosed Prior Position
JOSEPH BRITTON Chief of Staff, Sen. Martin Heinrich; Deputy Chief of Staff & Legislative Director to Sen. Mark Udall; Legislative Assi…
KIMBERLY CORBIN Sen. Adv., H. Rules Chairman Jim McGovern; U.S. Jt. Econ. Cmte Staff Dir., Sen. Heinrich; Staff Dir., Finance Subcmte o…
CHARLIE ELLSWORTH Budget & Appropriations Legis. Asst., Sen. Charles Schumer; Senior Policy Advisor, Democratic Policy and Comms. Cmte.(S…
JACOB JACKSON Legislative Assistant to Rep. Xochitl Torres Small
COURTNEY KNIGHT Intern, Sen. Brian Schatz
CARIANNE LEE Senior Legislative Assistant, Rep. Bonnie Watson Coleman.
ALEXANDER MCDONOUGH Senior Policy Advisor, Senator Harry Reid
CASSIE ROWLANDS
PIERSON STOECKLEIN Energy Fellow, Sen. Ron Wyden
ERIC WASHBURN Senior Advisor to Senator Tom Daschle