Sign in

Jeremie Kalfon 👨‍💻🧬🤖🚀

@jkobject.com
731 followers 3.3K following 171 posts

Doing a Ph.D. AI in Bio. | Ex @WhiteLabGx @BroadInstitute @MIT | Built @PiPleteam | ML, Cancer, Genomics, Data Sci, Entrepreneur, FullStack Dev | All views are mine

PostsRepliesMedia
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 17/09/2026
A year ago at ICML, I met with Dan and we discussed the future of virtual cell models, and in particular the gap between the promises of the field and the reality of generating the data needed to get there. 1/3
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 17/09/2026
Second Ph.D paper published ✅ : iopscience.iop.org/a... After presenting this work at the ICML workshop on Foundation models for Life Science, I am happy for its open access publication. It is a paper of big ideas supported by yet small evidences. 1/2
iopscience.iop.org
Towards foundation models that learn across biological scales - IOPscience
Towards foundation models that learn across biological scales, KALFON, Jérémie, Cantini, Laura, Peyre, Gabriel
110
Reposted by Jeremie Kalfon 👨‍💻🧬🤖🚀
Gabriel Peyré @gabrielpeyre.bsky.social · 15/09/2026
Clarifications sur mon intervention à France Inter au sujet de l’IA en mathématiques www.gpeyre.com/blog/2026/09... Merci à @jkobject.com de m'avoir poussé à l'écrire.
gpeyre.com
IA pour les maths : clarifications - Homepage of Gabriel Peyré
Une clarification de mon intervention sur France Inter, en français et en anglais.
2202
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 22/06/2026
My current AI stack: - Codex Pro Max - Base-spec Mac mini with SSH, Screen Sharing, and Continuity enabled, obviously - Hermes as the main agent runtime with OpenClaw, and OMX still around for comparisons / fallback 1/3
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 21/06/2026
Science has a weird habit: we still treat the PDF as the atomic unit of trust. But a paper is not one thing. It is a bundle of datasets, tools, models, protocols, results, assumptions, proofs, bugs, caveats, and human story. AI makes this harder to ignore. 1/3
141
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 16/06/2026
I made a map of gene regulation as one integrated control system, from DNA → RNA → protein. 🧬 It contains 38 mechanisms grouped into 7 layers. It has a few recurring principles, such as: 🔓 accessibility 🏷️ reversible marks ⏱️ and kinetic coupling. 1/2
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 22/05/2026
This morning I had the chance to present my research at the Cancéropôle IDF "AI & Cancer" day. Talking single-cell foundation models to cancer researchers and clinicians was a great exercise! 😅 1/2
111
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 25/04/2026
We trained 42 models so we didn't have to guess. Before building scPRINT-2, we ran a systematic ablation study — one design choice changed at a time. The results shaped every architectural decision. Now it's out. 🧵 1/3
130
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 23/04/2026
Built two @openclaw skills: E2EE messaging across all major platforms via Matrix/Beeper, and cross-platform social scheduling. My online presence is now 100% interfaced through my agents.
clawhub.ai
Unbridled — ClawHub
Send and read messages on Facebook Messenger, WhatsApp, Instagram, LinkedIn, Twitter/X, Signal, Telegram, Discord and other networks through a Beeper account...
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 22/04/2026
In fall 2023, I met Alex in CZI's CellXGene Slack channel when we were both trying to figure out how to best manage metadata of thousands of scRNA-seq datasets. Alex for his work on LaminDB, and I for my work on scRNA-seq foundation models. 1/3
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 20/04/2026
🚨 2026 Lilly x Nucleate Grand Challenge: Aging Reimagined 🔬 $100K non-dilutive 🏛️ Pitch at Lilly HQ 🤝 Lilly's science + venture teams Focus: mobility, cognition, immune resilience, regenerative medicine — the frontiers of healthspan. 📅 May 15 👉 linktr.ee/lillygrand...
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 16/04/2026
The biggest bottleneck in building cell foundation models isn't the architecture. It's the data. For scPRINT-2 we assembled what is, to our knowledge, the largest pre-training corpus for any cell foundation model. www.biorxiv.org/cont... 🧵 1/3
biorxiv.org
scPRINT-2: Towards the next-generation of cell foundation models and benchmarks | bioRxiv
bioRxiv - the preprint server for biology, operated by openRxiv, a nonprofit organization dedicated to advancing scientific communication
110
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 13/04/2026
Self-attention changed everything in deep learning. But it comes with a tax: O(n²) complexity. For long sequences, that's not just slow — it's a wall. There's a cleaner way to think about it, which I introduced in my recent preprint: scPRINT-2, it is called Criss-Cross Attention: 🧵 1/2
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 29/01/2026
Did you know that likely most cases of multiple sclerosis (MS) are driven by the EBV virus (herpes/mononucleosis disease)? >90% of us get infected in our teens, and some will go on to develop many diseases later in life because of it. 1/6
110
Reposted by Jeremie Kalfon 👨‍💻🧬🤖🚀
Judith Abécassis @judithabk6.bsky.social · 27/01/2026
And then lucky to pursue through an atlas of cells of many types and species, with a focus on quality and diversity mattering more than quantity with @jkobject.com
001
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 16/12/2025
🧑‍🎄🎄 Christmas Foundation Model Release: scPRINT-2 **One-liner:** a **20M-active-param** single-cell foundation model trained on **350M cells / 16 species / 300 tissues / 500 cell types**. 1/6
231
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 05/12/2025
It was a blast hosting our Nucleate Inside AI roundtable at the France Techbio 2025 event.
110
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 07/11/2025
🌐🧬I am excited to present you a round table I am doing together with Matteo Marengo Gabriel Michaux as part of our emerging Nucleate Parisian chapter led by Clara Brouaux 🔥. Title: **Inside AI: Choosing the Right Path to Value Creation** 1/3
111
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 17/10/2025
Next week we will see the first conference where both the main authors and reviewers are LLM Agents! This might be fun to follow: agents4science.stanf... 👀 🤖
agents4science.stanford.edu
Open Conference of AI Agents for Science: 2025
The 1st Open Conference of AI Agents for Science (agents4science 2025). AI serves as both primary authors and reviewers of research papers.
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 16/10/2025
I am presenting my PhD work today at the conference on immuno oncology in Toulouse's CRCT Oncopole! Happy to talk about how we can use foundation models in the real world 🧬 🧑‍⚕️
010
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 06/10/2025
Proud to be a Nucleate Leader! 🚀 Being a Nucleate Leader means joining a community of peers who step up to shape the future of biotech — leading teams, driving programs, and building ventures that make real impact.
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 25/09/2025
The first 1 million prime numbers vizualized in 2D according to their prime factors (Umap) Source: johnhw.github.io/uma...
031
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 20/09/2025
what they sell you, what you get...
010
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 12/09/2025
If you are launching your biotech / techbio startup in Paris or anywhere else in the world actually, think about applying to Nucleate's Global Activator Program! 🚀 🧬 Many people to meet and things to learn from Researchers, Investors, CEOs and more!
gateway.nucleate.org
Main
Made with Softr, the easiest way to turn your data into portals and internal tools.
020
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 24/07/2025
In 2025, deciding to have a child without full genome sequencing of both parents is borderline reckless. It costs under €400. Takes 2 minutes. Could save your child’s life. Yet >200 million people live with rare genetic diseases—many preventable by this simple test. 1/2
120
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 21/07/2025
I am at ISMB ECCB this week 🧬👨‍💻Do reach out if you are in Liverpool and want to chat about AI, target discovery and disease modelling 😊
030
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 17/07/2025
If you are at ICML, I would be happy to meet to talk about AI, bio, and drug discovery!
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 20/06/2025
Very happy to share that my new paper got accepted at the ICML workshop for Foundation model for Life Sciences!! www.biorxiv.org/cont... Foundation Models are being trained from atoms to molecules ⚛️, molecule chains 🧬, entire cells 🦠, and even groups of cell across tissue slices 🫁
111
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 17/06/2025
scPRINT is now finally on the Chan Zuckerberg Institute's Model Hub! 🎉 🧬 🌈 It is one more way you can use this cell foundation model to embed, denoise, predict cell type, get gene networks from your data from scratch, or fine-tune it on your own application / usecase: virtualcellmodels.cz...
virtualcellmodels.cziscience.com
scPRINT | v1.0 | Virtual Cells Platform
scPRINT is a cell foundation model, also called a Large Cell Model (LCM), trained on single-cell RNA sequence (scRNAseq) data from more than 50M human and mouse cells available through CZ CELLxGENE. Based on the transformer architecture, the model is fully open source and reproducible, with multiple checkpoint sizes available from 2M to 100M parameters. scPRINT demonstrated high performance for genome-wide cell-specific gene network inference when benchmarked against state-of-the-art models (e.g., scGPT, Geneformer v2, GENIE3). In addition, scPRINT has various zero-shot capabilities, including cell embedding, cell label prediction (e.g., cell type, sex, disease), and gene expression imputation, highlighting its potential as a versatile tool for single-cell analysis.
251
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 13/06/2025
Thanks to @GenBioAI to let me present my work on scPRINT and to have synthetised it so expertly in their blog post: genbio.ai/scprint-ge... Watch the full presentation here: www.youtube.com/watc...
genbio.ai
scPRINT: Gene Network Inference from 50M Cells by Jérémie Kalfon - Genbio AI
TL;DR In this talk, Jérémie Kalfon presents his paper “scPRINT: pre-training on 50 million cells allows robust gene network predictions” at the Foundation Models for Biology Seminar Series by GenBio AI. He introduces scPRINT, a transformer-based foundation model trained on over 50 million single-cell RNA-seq profiles to infer gene networks. scPRINT enables scientists to predict
010
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 07/06/2025
I see people want to compete with scDataLoader... arxiv.org/abs/2506.0...
arxiv.org
scDataset: Scalable Data Loading for Deep Learning on Large-Scale...
Modern single-cell datasets now comprise hundreds of millions of cells, presenting significant challenges for training deep learning models that require shuffled, memory-efficient data loading....
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 07/06/2025
The first convincing example I saw of why one would want to map across species: www.biorxiv.org/cont... 1/2
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 07/06/2025
cool cryoEM+ML talk Showing the future of the protein structure data modality and by doing-so, where structural models like AF3 will go next and how they might be trained www.youtube.com/watc...
youtube.com
MIA: Ellen Zhong, ML for reconstructing structural landscapes from cryoEM; Primer, Rishwanth Raghu
Models, Inference and Algorithms March 11, 2025 Broad Institute of MIT and Harvard Primer: Heterogeneous reconstruction in cryo-EM Rishwanth Raghu Princeton University Department of Computer Science Meeting: Machine learning for visualizing structural landscapes inside the cell Ellen Zhong Princ
010
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 23/05/2025
As part of my research, I believe that scientific outreach is essential. Last week, I had the pleasure of presenting how AI can help us understand biology and the cell at Pint of Science 2025! I also put together a short video recap (in French) for those curious: youtu.be/fc8L8Dn_7tw... 1/2
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 23/05/2025
As part of my research, I believe that scientific outreach is essential. Last week, I had the pleasure of presenting how AI can help us understand biology and the cell at Pint of Science 2025! I also put together a short video recap (in French) for those curious: youtu.be/fc8L8Dn_7tw... 1/2
100
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 19/05/2025
Great to see my work featured on the CNRS website! Read more at www.nature.com/articles/s41...
010
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 23/04/2025
I feel that arc browser and the browser company is really an example of how a founder can get brain-wormed by crazy investors up to the point of leaving the only value proposition of its project and go back to the masses of AI branded company with nothing to sell other than marketing. So sad..
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 22/04/2025
Come hear and chat about scPRINT, a foundation model of single-cell data that can generate gene networks, annotate cell types and more! Tomorrow (hosted by @superbioai) us06web.zoom.us/meet...
us06web.zoom.us
Welcome! You are invited to join a meeting: scPRINT: A Transformer Model for Mapping Gene Networks in Single Cells. After registering, you will receive a confirmation email about joining the meeting.
Join Superbio and the researchers behind scPRINT, a large transformer model trained on over 50 million single cells. Designed to infer gene networks without supervision, scPRINT outperforms existing tools and shows strong performance in denoising, batch effect correction, and cell type prediction. We’ll explore how this model was built, how it works, and what it reveals about aging and inflammation in prostate tissue. Perfect for researchers in single-cell biology, computational biology, and AI in life sciences.
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 21/04/2025
Open-AI's O3 model is magic. Can't wait for more tool use and faster reasoning.
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 21/04/2025
In China there are institutes devoted to using AI, and sequencing technologies, to advance Chinese traditional medicine 🤯 tcmx.tsinghua.edu.cn...
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 16/04/2025
I am super happy to annonce that after 9 months under review the first paper of my PhD: scPRINT is finally available on Nature Comms! 🎉🧬 www.nature.com/artic...
nature.com
scPRINT: pre-training on 50 million cells allows robust gene network predictions
Nature Communications - Authors present a state-of-the-art cell foundation model trained on 50 million cells. They show that the model generates a meaningful gene network and has zero-shot...
0122
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 14/04/2025
I will be talking about scPRINT and it's availability on @superbio.ai on the 23rd of April here: www.linkedin.com/pos...
linkedin.com
📢 Webinar alert: Mapping gene networks in single cells with AI Join… | Berke Buyukkucak
📢 Webinar alert: Mapping gene networks in single cells with AI Join Superbio and Jeremie Kalfon, the researcher behind, scPRINT for a live webinar on a new AI model trained on over 50 million single cells. scPRINT infers gene networks without supervision and uncovers complex biology at single-cell resolution. Register now: https://lnkd.in/gfe8QpTg We’ll cover: ✅ How scPRINT uses transformers to analyze large-scale single-cell data ✅ Its performance in gene network inference, denoising, and batch correction ✅ What it reveals about aging and inflammation in prostate tissue
000
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 10/04/2025
Got invited with @Nucleate, to the @McDermott conference on health and life science last week. web.cvent.com/event/.... Loads of important business insights from leaders in the field!
011
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 08/04/2025
If you are in Lyon today I will be presentating scPRINT and doing a hands-on session at the AI4Biomed spring school ☀️👨‍💻 indico.engineering.u...
indico.engineering.univ-lyon1.fr
Ecole thématique AI4BioMed
Spring School on AI and Machine Learning and their Applications to Biology and Health -  Université Lyon 1, La Doua, Villeurbanne, April 7-9 2025.Artificial intelligence and machine learning are rapidly transforming our research activity in biological sciences and health. As a result, there is a critical need for making machine learning and AI accessible to everyone currently working in these scientific and applied domains. To meet those challenges, the DIgitBioMed initiative proposes a...
000
Reposted by Jeremie Kalfon 👨‍💻🧬🤖🚀
Laura Cantini @cantinilab.bsky.social · 18/03/2025
AI for life sciences day 2 started! @m-albert.bsky.social is now teaching AI for image analysis. Felipe Llinares from Bioptimus will then talk about LLMs, with short talks from @jkobject.com from my team and @emordret.bsky.social from @audeber.bsky.social team. @pasteur.fr @pasteuredu.bsky.social
0167
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 12/03/2025
Who would have thought Donald Trump to be the first person to dramatically decrease the US billionaire's net worth
020
Jeremie Kalfon 👨‍💻🧬🤖🚀 @jkobject.com · 14/02/2025
I am sorry to be blunt but why isn't everyone out on the streets right now?
100
Reposted by Jeremie Kalfon 👨‍💻🧬🤖🚀
Itai Yanai @itaiyanai.bsky.social · 08/02/2025
Science is absolutely key to the US's success but this government's intention to now dramatically reduce the part of the federal grants that go to the university (in addition to the researchers; the "indirects") is like removing the unseen roots of a tree and expecting it to continue to flourish.
310132
Reposted by Jeremie Kalfon 👨‍💻🧬🤖🚀
MadScientist @mads100tist.bsky.social · 08/02/2025
Me, a Spaniard, looking at the research cuts proposed in the US:
A person about to be hanged, saying "first time?".
714311