MacArthur Foundation

We support creative people, effective institutions, and influential networks building a more just, verdant, and peaceful world. ⚖️🌿☮️🌎

[MacArthur Foundation @macfound]

Meet the 2026 MacArthur Fellows!

These 20 individuals explore the depths of our humanity, reveal untold origins to modern challenges, and expand the edges of scientific inquiry and life-saving research. #MacFellow

https://t.co/huYw2h4Jt9

[MacArthur Foundation @macfound]

Benefit Chicago is celebrating ten years of investing in nonprofits and social enterprises, and the results are incredible: $1B in financing, 3,300 affordable homes, 11,000 jobs, and dozens of organizations achieving success.

Check out the full report here: https://t.co/YXBYZPQHrt

[MacArthur Foundation @macfound]

The industries that power our economy are also destroying the ecosystems and livelihoods that sustain them. Watch the story of West Texas ranchers battling a megadrought in MacArthur grantee Capital & Main's “The Damage Done” series, investigating what happens when we extract first and deal with the consequences later.
https://t.co/AskfyoqDRT

[MacArthur Foundation @macfound]

AI is being integrated across society—how is this impacting our home state of Illinois?

This summer, @NORCNews conducted a public opinion poll on Illinoisans’ views of statewide AI regulation and accountability. They found that Illinois residents are using AI, but remain skeptical.

Join this webinar on October 26th at 11am CT to learn more about the poll findings.

Register now: https://t.co/Xudz6BPyQM

[MacArthur Foundation @macfound]

When we let our Fellows choose what to study, it opens their research to new and innovative areas that might otherwise get overlooked.

MacArthur’s Kristen Mack writes about the amazing work of our Fellows in USA Today:
https://t.co/LuExOKQ563

[MacArthur Foundation @macfound]

How could $750 million in impact investment capital affect some of the world's biggest challenges?
We’re going to find out. Today, we're announcing that we are increasing our impact investment allocation by 50%, to create a $750 million pool of dedicated capital.

📷: Deeply Rooted Dance Theater

https://t.co/LlgDyfOS6H

[MacArthur Foundation @macfound]

In the first year of increased federal immigration enforcement, Cook County lost approximately $1.26 billion in retail and restaurant activity and $107 million in local sales tax revenue.

The University of Illinois Chicago’s Great Cities Institute, with support from MacArthur grantee Metropolitan Family Services in support of United for Chicago, documented this financial impact in their new report: "Hunkering Down: Immigration Enforcement’s Economic Cost".

Read the full report here ⬇️ https://t.co/skxE8EdGya

[MacArthur Foundation @macfound]

A Beyoncé show is done with courage, unbridled joy, and spaces where everyone sees themselves reflected. We should practice philanthropy with the same philosophy she brings to every concert.

[MacArthur Foundation @macfound]

@shirleygarciass Información para periodistas se encuentra aquí: https://t.co/VhUJiRYPx1

[MacArthur Foundation @macfound]

Meet the 2026 MacArthur Fellows!

These 20 individuals explore the depths of our humanity, reveal untold origins to modern challenges, and expand the edges of scientific inquiry and life-saving research. #MacFellow

https://t.co/huYw2h4Jt9

[MacArthur Foundation @macfound]

The best outcomes in philanthropy happen when different types of givers work together. Read The Milken Institute’s latest report on how when foundation leaders and corporate givers collaborate, the impact is exponential. https://t.co/9oJazXFSOR

[MacArthur Foundation @macfound]

Banking institutions aren’t meeting the needs of disabled people. We’re looking to change that:

We’re helping fund Artichoke Credit Union, a new, first-of-its-kind credit union designed specifically for the disability community.

https://t.co/vBwF8vPNgF

[MacArthur Foundation @macfound]

Clarification: the deadline to submit applications is 7:59 p.m. ET on Wednesday, Oct. 21, 2026.

[MacArthur Foundation @macfound]

We're excited to share Humanity AI’s first open call for grant funding!

Through this open call, Humanity AI is looking to support community-led efforts aligned with three core issue areas — education, labor and economy, and the humanities, arts, and culture.

The deadline to submit applications is 7:59 p.m. ET on Tuesday, Oct. 21, 2026.

Learn more about eligibility requirements ⬇️
https://t.co/MTw2viIFQH.

[MacArthur Foundation @macfound]

"We don’t own the moon, but we’re behaving as though we did."

2022 #MacFellow Moriba Jah is an astrodynamicist laying the foundation for a safe, prosperous, and sustainable near-Earth space environment.

In a recent opinion piece for @Guardian, he encourages a more conscientious approach to space exploration.

Read the full article ⬇️
https://t.co/ckBlOF4Spg

[MacArthur Foundation @macfound]

We're excited to share Humanity AI’s first open call for grant funding!

Through this open call, Humanity AI is looking to support community-led efforts aligned with three core issue areas — education, labor and economy, and the humanities, arts, and culture.

The deadline to submit applications is 7:59 p.m. ET on Tuesday, Oct. 21, 2026.

Learn more about eligibility requirements ⬇️
https://t.co/MTw2viIFQH.

[MacArthur Foundation @macfound]

"Without exception, every high performer I’ve studied credits a host of supporters for success."

Writing for @nytimes, #MacFellow Angela Duckworth shares why seeking assistance is critical to achievement.

Read the full article ⬇️
https://t.co/eoRIzeuO2i

[MacArthur Foundation @macfound]

This moment calls for creative courage.

For 45 years, MacArthur Fellows have expanded the boundaries of possibility by questioning conventions, crossing disciplines, and driving collective progress.

Throughout 2026, the Foundation is celebrating the groundbreaking work of the Fellows and inspiring public dialogue through a series of nationwide events and conversations.

Visit our website to learn how you can celebrate creativity and explore connections at an upcoming event! #MacFellow

🔗 https://t.co/9eBhImU8XI

[MacArthur Foundation @macfound]

Save the date! On Tuesday, September 29, we will announce the 2026 MacArthur Fellows.

Sign up for our newsletter to be one of the first to receive the news!
🔗 https://t.co/iYXpJrCwm7

[MacArthur Foundation @macfound]

Congratulations to this year's Leaders for a New Chicago! This award recognizes community-based leaders who are redefining civic leadership and reimagining Chicago’s future.

The initiative, a collaboration between MacArthur and @FieldFoundation, provides $50,000 in unrestricted funding to each leader.

Meet the awardees! ⬇️

[MacArthur Foundation @macfound]

"Funding science means supporting the truth that lies at the heart of every democracy."

Writing for @ScienceMagazine, our President, John Palfrey, discusses the critical role that science research plays in advancing knowledge and supporting a healthy democracy.

Read more of his thoughts ⬇️
https://t.co/PROq0yE6Xq

[MacArthur Foundation @macfound]

Our President, John Palfrey, recently joined Pulitzer Prize-winning journalist Dele Olojede at @AspenInstitute's Resnick Aspen Action Forum to discuss courageous leadership in the face of uncertainty.

Watch the full conversation ⬇️
https://t.co/i0jDxHz1xW