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DZ

DANIEL ZIEGLER

WILLIAMS AND JENSEN, PLLC · Washington, DC
Registered · LDAActive

Background

Career
Washington, DC · current
Government experience
Executive Director
Republican Study Committee; Legislative Director for Rep Doug Lamborn, Policy Director; Speaker Mike Johnson
Covered official positions, as disclosed on federal filings

The past 12 months

Clients
37
past 12 months
Filings
41
past 12 months
Agencies contacted
HOUSE OF REPRESENTATIVESSENATEWhite House OfficeAgriculture, Dept of (USDA)Treasury, Dept ofEnergy, Dept ofState, Dept of (DOS)Commerce, Dept of (DOC)Defense, Dept of (DOD)Consumer Financial Protection Bureau (CFPB)Export-Import Bank of the United States (EXIM Bank)Federal Communications Commission (FCC)Federal Energy Regulatory Commission (FERC)Natl Economic Council (NEC)Office of Management & Budget (OMB)U.S. Trade Representative (USTR)

Specific issues

Issues related to government stockpiles of critical minerals.
Natural Resources · 2026 Q1
House & Senate highway and transit reauthorization bills; FY 2026 & FY 2027 House and Senate transportation appropriations legislation.
Transportation · 2026 Q1
Monitoring State Department and Congressional consideration of diplomatic programs on Asia, the Pacific and the US.
Economics/Economic Development · 2026 Q1
General education about policies impacting the rail industry; outreach to House and Senate related to rail operations. Proposed merger between Norfolk Southern and Union Pacific.
Railroads · 2026 Q1
Advocacy for policies impacting education for profoundly gifted students.
Science/Technology · 2026 Q1
Advocacy for policies impacting education of profoundly gifted students.
Education · 2026 Q1

Clients

2026 · 2 filings
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2026 · 1 filing
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2026 · 1 filing · engagement ended
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2026 · 1 filing
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2026 · 1 filing
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2026 · 1 filing
$██,███ / qtrFree in beta
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2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
$██,███ / qtrFree in beta
$██,███ / qtrFree in beta
2026 · 2 filings
$██,███ / qtrFree in beta
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2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
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2026 · 2 filings
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2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
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2026 · 1 filing
$██,███ / qtrFree in beta
$██,███ / qtrFree in beta
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2026 · 1 filing
$██,███ / qtrFree in beta
2026 · 1 filing
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Sources

This profile is built from the public record: filings in the U.S. Senate Lobbying Disclosure Act system. lda.senate.gov ↗

Recent filings14
2026 Q1
EPC POWER
Q1lda.gov →
2026 Q1
MIOTAL
Q1lda.gov →
2026 Q1
HONOLULU AUTH. FOR RAPID TRNS. (PREVIOUSLY KNOWN AS INFRACONSULT, LLC.)
Q1lda.gov →
2026 Q1
AMERICAN COUNCIL OF LIFE INSURERS
Q1lda.gov →
2026 Q1
TE CONNECTIVITY, INC.
Q1lda.gov →
2026 Q1
EAST WEST CENTER
Q1lda.gov →
2026 Q1
ABBVIE, INC.
Q1lda.gov →
2026 Q1
NORFOLK SOUTHERN CORPORATION
Q1lda.gov →
2026 Q1
THE INTERNET & TELEVISION ASSN (FORMERLY NTL CABLE & TELECOMMUNICATIONS ASSN)
Q1lda.gov →
2026 Q1
JPMORGAN CHASE HOLDINGS, LLC
Q1lda.gov →
2026 Q1
GCOM SOFTWARE LLC D/B/A VOYATEK
Q1lda.gov →
2026 Q1
I SQUARED CAPITAL ADVISORS (US) LLC
Q1lda.gov →
2026 Q1
NOVOCURE INC.
Q1lda.gov →
2026 Q1
AMERICAN AIRLINES, INC.
Q1lda.gov →