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Ambassador Jeff Bartos Profile
Ambassador Jeff Bartos

@AmbUNReform

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Official account of the Representative of the United States of America to the United Nations for UN Management & Reform, Jeff Bartos (as of 9/22/25).

New York, New York
Joined January 2022
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@DeputySecState
Christopher Landau
24 hours
The UN was created in the wake of World War II to promote international peace and security and prevent another catastrophic world war. Whatever one thinks of the UN’s performance on this score, it is clear that imposing taxes is NOT part of the UN’s mandate. The ability to impose
@SecRubio
Secretary Marco Rubio
1 day
This week, the UN is attempting to pass the first global carbon tax , which will increase energy, food, and fuel costs across the world.  We will not allow the UN to tax American citizens and companies. Under the leadership of @POTUS, the U.S. will be a hard NO.  We call on
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@SecRubio
Secretary Marco Rubio
1 day
Read my joint statement with @SecretaryWright and @SecDuffy on Defending America from the UN’s First Global Carbon Tax:
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@SecRubio
Secretary Marco Rubio
1 day
This week, the UN is attempting to pass the first global carbon tax , which will increase energy, food, and fuel costs across the world.  We will not allow the UN to tax American citizens and companies. Under the leadership of @POTUS, the U.S. will be a hard NO.  We call on
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@michaelgwaltz
Mike Waltz
1 day
As Secretary Rubio and Lutnick have said for months, this “carbon tax”activism against our shipping fleet absolutely unacceptable. The International Maritime Organization in London exists to set international standards for shipping safety and ports NOT to impose billions in
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@USUN
U.S. Mission to the UN
1 day
The time for endless talk and unserious half-measures of reform is over. Now is the time to embrace the opportunity and the urgency to create consequential and lasting reform. Now is the time for the UN to get back to basics. https://t.co/3NJ60xrne2
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@michaelgwaltz
Mike Waltz
9 days
We are already seeing UN budget cuts. More to follow as we get Back to Basics - stopping wars and promoting Peace! 🇺🇸
@USUN
U.S. Mission to the UN
9 days
The time for endless talk about the need for reform, meetings about meetings, and tapping the world along with unserious half-measures of reform, is over. - Ambassador Jeff Bartos, U.S. Representative for U.N. Management and Reform
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@USUN
U.S. Mission to the UN
9 days
The time for endless talk about the need for reform, meetings about meetings, and tapping the world along with unserious half-measures of reform, is over. - Ambassador Jeff Bartos, U.S. Representative for U.N. Management and Reform
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@AmbUNReform
Ambassador Jeff Bartos
9 months
As my tenure at @USUN comes to an end, I am proud of my team’s many accomplishments over the past three years. We’ve advanced U.S. interests, strengthened the #UN, and demonstrated the importance of multilateralism. Some final thoughts ⬇️
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@AmbUNReform
Ambassador Jeff Bartos
10 months
With U.S. support, the #UN today adopted a fiscally responsible budget for 2025 that: ✔️Provides new funding for the Resident Coordinator system and Pact for the Future implementation ✔️Ensures greater spending transparency ✔️Will bring down staff compensation costs
@AmbUNReform
Ambassador Jeff Bartos
10 months
Today, the #UN Fifth Committee wraps up its consideration of the UN budget for 2025. More details to follow, after the budget is adopted.
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@AmbUNReform
Ambassador Jeff Bartos
10 months
Today, the #UN Fifth Committee wraps up its consideration of the UN budget for 2025. More details to follow, after the budget is adopted.
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@fgorordo
Felice Gorordo
11 months
.@AmbUNReform it was so great catching up & getting a chance to discuss the @WorldBank’s partnerships with the @UN, our reform process & the Evolution Agenda. Thank you so much for hosting me today at the @USUN & looking forward to hosting you soon at the #WorldBank!
@AmbUNReform
Ambassador Jeff Bartos
11 months
Enjoyed catching up with old friend @fgorordo, U.S. Alternate Executive Director of @WorldBank, to discuss U.S. proposals to reform the international financial institutions. We’ve made much progress, but there’s more work to do.
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@AmbUNReform
Ambassador Jeff Bartos
11 months
Enjoyed catching up with old friend @fgorordo, U.S. Alternate Executive Director of @WorldBank, to discuss U.S. proposals to reform the international financial institutions. We’ve made much progress, but there’s more work to do.
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@AmbUNReform
Ambassador Jeff Bartos
11 months
The U.S. supports reform of the UN Security Council to make the council more representative. This week, I reiterated some elements of our proposal.
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@AmbUNReform
Ambassador Jeff Bartos
1 year
On #UNDay, I’m reposting one of my favorite photos - from the day that the UN adopted the first-ever resolution on #AI. This U.S.-sponsored resolution sets out global norms for how this transformative technology will be used. Just one small example of why the UN matters.
@AmbUNReform
Ambassador Jeff Bartos
2 years
So grateful to this team of U.S. diplomats who powered through 42 hours of formal negotiations, many more hours of informal discussions, and edits from 120 countries. This hard work led to the first-ever UN resolution on #AI which sets global norms for this critical technology.
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@StateDept
Department of State
1 year
Today, on #UNDay, we celebrate the United States’ commitment to global cooperation through the @UN. From advancing human rights to driving sustainable development, 🇺🇸 is proud to partner with the UN to build a better, more prosperous world for all. https://t.co/3brZfmpwE3
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@USUNRomeAmb
U.S. Ambassador to UN Agencies in Rome
1 year
October marks my sixth month on the job as U.S. Ambassador to @USUNRome. This team has made progress in responding to humanitarian crises and advancing food security. On this #UNDay, watch this recap and check out the 🧵 below:
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@USAmbNATO
U.S. Ambassador to NATO
1 year
Phew… That was fun. I did a looott of talking. As I look back at the past 3️⃣ years leading @USNATO, I want to thank ALL of you for engaging on the matters of our shared security. Here is a 🧵👇 recognizing some of the many people who made this time so productive & special. 1/8
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