Gregory Sunstrum

Registered Lobbyist
Disclosed Prior Position
Chief of Staff , Rep. Debbie Dingell; Deputy Chief of Staff and Leg. Director, Rep. Debbie Dingell ; Leg. Director, Rep. John Dingell; Leg. Assistant, Rep. John Dingell; Staff Assistant/Leg. Correspondent Rep. John Dingell
Lobby Filings
369
Clients
88
Firms
1
Years Active
2023–2026
Total Contributed
$13,750
Contributions
44
Recipients
28
Contrib Filings
7
Top Recipient Legislators
LegislatorPtyStTotal
Katherine Clark D MA $1,000
Hakeem Jeffries D NY $1,000
Elissa Slotkin D MI $500
Frank Pallone D NJ $500
Tammy Duckworth D IL $500
Pete Aguilar D CA $500
Haley Stevens D MI $500
Jacky Rosen D NV $500
Jon Ossoff D GA $250
Rick Larsen D WA $250
Sherrod Brown D OH $250
Steven Horsford D NV $250
Timothy Kaine D VA $250
Maxine Waters D CA $250
Richard Neal D MA $250
Mark Warner D VA $250
Patty Murray D WA $250
Ann Kuster D NH $250
Susie Lee D NV $250
Christopher Coons D DE $250
Top Committees / PACs
PayeeCountTotal
PALLONE FOR CONGRESS 2 $1,500
DEMOCRATIC CONGRESSIONAL CAMPAIGN COMMITTEE (DCCC) 2 $1,000
DEMOCRATIC SENATORIAL CAMPAIGN COMMITTEE (DSCC) 2 $1,000
KATHERINE CLARK MAJORITY FUND 3 $750
HAKEEM JEFFRIES 2 $500
DEMOCRATIC NATIONAL COMMITTEE 1 $500
HALEY STEVENS FOR SENATE 1 $500
ELISSA SLOTKIN FOR MICHIGAN 1 $500
MARTIN HEINRICH FOR SENATE 1 $250
JACK REED 1 $250
KATHERINE CLARK FOR CONGRESS 1 $250
JACKY ROSEN VICTORY FUND 1 $250
CHRIS COONS FOR SENATE 1 $250
KAINE VICTORY FUND 1 $250
RICHARD NEAL FOR CONGRESS 1 $250

Lobbying Filings

YearFirmClientIncomeDoc
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP VERIZON COMMUNICATIONS INC. $80,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP HARMONY BIOSCIENCES $50,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP ELI LILLY AND COMPANY $90,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP FIVETRAN INC. $60,000
2026
2nd Quarter - Termination
BROWNSTEIN HYATT FARBER SCHRECK, LLP FAIRVOTE ACTION $20,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP ENGINE MANUFACTURERS ASSOCIATION $90,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP EDERA L3C $70,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP INTERNATIONAL HEARING SOCIETY $30,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP DUKE ENERGY CORPORATION $60,000
2026
2nd Quarter - Report
BROWNSTEIN HYATT FARBER SCHRECK, LLP LEO TECHNOLOGIES, LLC $40,000
Page 1 of 37  ·  369 filings Next

Political Contributions

Recipient / Honoree Legislator Payee / Committee Date Amount
Hakeem Jeffries Hakeem Jeffries (D, NY) HAKEEM JEFFRIES Jun 29, 2026 $250
Ruben Gallego Ruben Gallego (D, AZ) JUNTOS PAC Jun 8, 2026 $250
Patty Murray Patty Murray (D, WA) PATTY MURRAY FOR SENATE May 18, 2026 $250
Rick Larsen Rick Larsen (D, WA) CITIZENS TO ELECT RICK LARSEN Mar 23, 2026 $250
Frank Pallone Frank Pallone (D, NJ) PALLONE FOR CONGRESS Mar 3, 2026 $500
Haley Stevens Haley Stevens (D, MI) HALEY STEVENS FOR SENATE Mar 3, 2026 $500
Jon Ossoff Jon Ossoff (D, GA) GEORGIA FEDERAL ELECTIONS COMMITTEE Feb 26, 2026 $250
Katherine Clark Katherine Clark (D, MA) KATHERINE CLARK MAJORITY FUND Feb 2, 2026 $250
DCCC — DEMOCRATIC CONGRESSIONAL CAMPAIGN COMMITTEE Jan 5, 2026 $250
DSCC — DEMOCRATIC SENATORIAL CAMPAIGN COMMITTEE Jan 5, 2026 $250
Page 1 of 5  ·  44 contributions Next

Contribution Filings (LD-203)

YearPeriodPostedStatusDoc
2026 Mid Year Jul 27, 2026 Active
2025 Year End Jan 26, 2026 Active
2025 Mid Year Jul 24, 2025 Active
2024 Year End Jan 23, 2025 Active
2024 Mid Year Jul 24, 2024 Active
2023 Year End Jan 24, 2024 Active
2023 Mid Year Jul 25, 2023 Active