Emma Pierson
@emmapierson.bsky.social
1.9K followers 200 following 24 posts
Assistant professor of CS at UC Berkeley, core faculty in Computational Precision Health. Developing ML methods to study health and inequality. "On the whole, though, I take the side of amazement." https://people.eecs.berkeley.edu/~emmapierson/
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emmapierson.bsky.social
🚨 New postdoc position in our lab at Berkeley EECS! 🚨

(please reshare)

We seek applicants with experience in language modeling who are excited about high-impact applications in the health and social sciences!

More info in thread

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Reposted by Emma Pierson
rajmovva.bsky.social
📢New POSITION PAPER: Use Sparse Autoencoders to Discover Unknown Concepts, Not to Act on Known Concepts

Despite recent results, SAEs aren't dead! They can still be useful to mech interp, and also much more broadly: across FAccT, computational social science, and ML4H. 🧵
emmapierson.bsky.social
SF fog coming up to swallow us in time lapse.
emmapierson.bsky.social
Honored to win a #CHIL2025 best paper award for our work modeling inequality in disease progression, led by @ericachiang.bsky.social!

To the NIH: health inequality remains a vital topic to support the health of all Americans. As we prove, failing to account for it biases estimates for everyone.
ericachiang.bsky.social
I can’t believe I’m saying this: our work received a Best Paper Award at #CHIL2025!! So so excited and grateful 🥰 Looking forward to day 2 of the conference with these awesome people :)
Reposted by Emma Pierson
allisonkoe.bsky.social
For folks at @facct.bsky.social, our very own @cornellbowers.bsky.social student @emmharv.bsky.social will present the Best-Paper-Award-winning work she led on Wednesday at 10:45 AM in the "Audit and Evaluation Approaches" session!

In the meantime, 🧵 below and 🔗 here: arxiv.org/abs/2506.04419 !
Reposted by Emma Pierson
socialistdogmom.bsky.social
assassinations, handcuffing a senator at press conference, marines detaining a civilian, and a military parade for the president’s birthday. rough week for democracy.
taniel.bsky.social
Governor Waltz has now confirmed that Hortman and her husband were killed in the attack.
Reposted by Emma Pierson
dmshanmugam.bsky.social
and... here is the actual GIF 🙈
emmapierson.bsky.social
The first paper of @ericachiang.bsky.social's PhD, just accepted at #CHIL2025, proposes a model of disease progression which estimates and accounts for 3 types of health disparities to more accurately measure disease severity. See her full thread below!
ericachiang.bsky.social
I’m really excited to share the first paper of my PhD, “Learning Disease Progression Models That Capture Health Disparities” (accepted at #CHIL2025)! ✨ 1/

📄: arxiv.org/abs/2412.16406
emmapierson.bsky.social
Thanks, Megan!! This is kind :) hope you’re doing well.
emmapierson.bsky.social
The US government recently flagged my scientific grant in its "woke DEI database". Many people have asked me what I will do.

My answer today in Nature.

We will not be cowed. We will keep using AI to build a fairer, healthier world.

www.nature.com/articles/d41...
My ‘woke DEI’ grant has been flagged for scrutiny. Where do I go from here?
My work in making artificial intelligence fair has been noticed by US officials intent on ending ‘class warfare propaganda’.
www.nature.com
emmapierson.bsky.social
A pleasure to join the Tech Policy Press podcast with @natematias.bsky.social, @geomblog.bsky.social, and @justinhendrix.bsky.social to defend the consensus that AI bias is an important concern.
techpolicypress.bsky.social
Last month, a group of 200+ researchers signed a letter “Affirming the Scientific Consensus on Bias and Discrimination in AI.” It comes at a time when the Trump admin is rolling back AI policies and threatening research. Justin Hendrix spoke to three of the letter's signatories.
Researchers Defend the Scientific Consensus on Bias and Discrimination in AI | TechPolicy.Press
A podcast discussion with scholars J. Nathan Matias, Emma Pierson, and Suresh Venkatasubramanian.
www.techpolicy.press
emmapierson.bsky.social
Lab had dogathon! Seminal dog discoveries ensued.
kennypeng.bsky.social
Our lab had a #dogathon 🐕 yesterday where we analyzed NYC Open Data on dog licenses. We learned a lot of dog facts, which I’ll share in this thread 🧵

1) Geospatial trends: Cavalier King Charles Spaniels are common in Manhattan; the opposite is true for Yorkshire Terriers.
emmapierson.bsky.social
This work is led by @gsagostini.bsky.social, who gets more excited about geospatial data than anyone I've ever met, and with Rachel Young, Maria Fitzpatrick, and @nkgarg.bsky.social.

Paper: arxiv.org/abs/2503.20989
Website (and data): migrate.tech.cornell.edu
Thread: bsky.app/profile/gsag...
gsagostini.bsky.social
Migration data lets us study responses to environmental disasters, social change patterns, policy impacts, etc. But public data is too coarse, obscuring these important phenomena!

We build MIGRATE: a dataset of yearly flows between 47 billion pairs of US Census Block Groups. 1/5
emmapierson.bsky.social
Migration data is critical in the health, environmental, and social sciences.

We're releasing a new dataset, MIGRATE: annual flows between 47 billion pairs of US Census areas. MIGRATE is:

- 4600x more granular than existing public data
- highly correlated with external ground-truth data

1/2
Reposted by Emma Pierson
rajmovva.bsky.social
💡New preprint & Python package: We use sparse autoencoders to generate hypotheses from large text datasets.

Our method, HypotheSAEs, produces interpretable text features that predict a target variable, e.g. features in news headlines that predict engagement. 🧵1/
emmapierson.bsky.social
This work is led by the wonderful @rajmovva.bsky.social and @kennypeng.bsky.social with coauthors @nkgarg.bsky.social and Jon Kleinberg. See Raj’s full thread for details, Python package, and project website!

bsky.app/profile/rajm...
rajmovva.bsky.social
💡New preprint & Python package: We use sparse autoencoders to generate hypotheses from large text datasets.

Our method, HypotheSAEs, produces interpretable text features that predict a target variable, e.g. features in news headlines that predict engagement. 🧵1/
emmapierson.bsky.social
HypotheSAEs outperforms strong LLM baselines, generates new discoveries even on well-studied datasets, and comes with easy-to-use code.

We hope this will be helpful not just to CS folks, but to many in social/health sciences - please reshare to help reach them.
emmapierson.bsky.social
We have a new method, HypotheSAEs, for identifying *interpretable text features that predict a target variable* (aka hypothesis generation).

What features of a headline predict engagement?

What features of a clinical note predict whether a patient will develop cancer?

1/
Reposted by Emma Pierson
allisonkoe.bsky.social
Humbled and honored to receive this award -- thank you, @sloanfoundation.bsky.social, for supporting STEM research!
sloanfoundation.bsky.social
🎉Congrats to the 126 early-career scientists who have been awarded a Sloan Research Fellowship this year! These exceptional scholars are drawn from 51 institutions across the US and Canada, and represent the next generation of groundbreaking researchers. sloan.org/fellowships/...
Reposted by Emma Pierson
asheshrambachan.bsky.social
Applications are open for the Machine Learning in Economics Summer Institute (MLESI) 2025 are open!

If you're a graduate student, come learn about ML/AI and its uses throughout economics.

Apply by March 28. The application and more info can be found here: www.chicagobooth.edu/research/cen...
Machine Learning in Economics Summer Institute 2025 (MLESI25)
<span id="docs-internal-guid-53f97f20-7fff-b55c-c89c-4f85d663a48c" style="color: #39393a;"><span style="color: #000000;">MLESI<span id="docs-internal-guid-394e21c4-7fff-1437-16ff-fdbb1ce1d34c" style="...
www.chicagobooth.edu
emmapierson.bsky.social
In general, we're certainly not claiming philanthropists can or should fully replace federal funding (for the reasons you point out!)

Rather, we're arguing that philanthropists should consider which areas have been particularly hard-hit by rash federal funding cuts when they decide what to fund.
emmapierson.bsky.social
I totally agree about the importance of federal funding!! It will be a great loss if it is severely cut.
emmapierson.bsky.social
New piece in Nature: @leahpierson.bsky.social and I argue that philanthropic funders should shield science from cuts the Trump administration may make to climate science, infectious disease, etc.

Free access link: rdcu.be/d6aul
Longer version on my website: shorturl.at/muwts