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ALEX TIERSKY

NUCLEAR THREAT INITIATIVE · Washington, DC
Registered · LDAActive

At a glance

Works on
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Background

Career
Washington, DC · current
Government experience
Schedule C employee: Senior Advisor to USAID July '23-Oct '24
NSC Oct '24-'Jan'25 Legislative branch official: Senior Policy Advisor to US Commission on Security & Cooperation in Europe (US Helsinki Commission) May '16-July '23.
Covered official positions, as disclosed on federal filings

The past 12 months

Clients
1
past 12 months
Filings
1
past 12 months
Agencies contacted
HOUSE OF REPRESENTATIVESSENATE

Specific issues

Discussed NTI's new report outlining the continued need for non-proliferation strategy and the potential tools of such a policy. Possible paths forward with the upcoming extension of the New START treaty and what those paths would mean in practice. Discussed the various international treaties setting nuclear weapons policy. Legislation to create high level working group to accelerate deployment of commercial advanced nuclear capabilities.
Defense · 2025 Q3
Discussed how the changes of staffing at the State Department have already affected arms control work and the way proposed legislation could further disrupt that work.
Government Issues · 2025 Q3
Discussed nuclear fuel reprocessing and the potential issues associated with this process.
Energy/Nuclear · 2025 Q3
Topline discussion of Biotechnology governance, AI, and biosecurity and potential ways Congress could engage on these issues.
Science/Technology · 2025 Q3
(1) Consideration of nuclear proliferation and nuclear security in the responsible expansion of nuclear energy and selection of fuel cycle technology (2) H.R.3978 - Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act, on reprocessing and recycling
Energy/Nuclear · 2025 Q2
(1) Preserving the U.S. and international moratorium on nuclear explosive testing (2) Preserving nuclear nonproliferation and nuclear security as U.S. national priorities (3) Sustaining U.S. government capacity on nonproliferation, nuclear security, and arms control (4) Ensuring responsible processes regarding nuclear weapons employment
Defense · 2025 Q2

Clients

2025 · 3 filings
$██,███ / qtrFree in beta

Sources

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

Recent filings1
2025 Q3
NUCLEAR THREAT INITIATIVE
Q3lda.gov →
Older filings2
2025 Q2
NUCLEAR THREAT INITIATIVE
Q2lda.gov →
2025 Q2
NUCLEAR THREAT INITIATIVE
RRlda.gov →