Michele Catasta
President of Replit, where Catasta led the Replit Agent projects; former Google X applied research head
Michele Catasta is the President of Replit, which Catasta joined in 2023 as VP of AI, and has led the projects behind Replit Agent and its later versions, Agent 3 and Agent 4. Before Replit, Catasta was Head of Applied Research at Google X and Google Labs, working on large language models for code including PaLM and PaLM 2; Catasta has also been a research scientist and instructor in AI at Stanford University.123
Career
Catasta was a postdoc in machine learning at Stanford University advised by Jure Leskovec, and worked as a research scientist and instructor in AI at Stanford. Earlier, Catasta co-founded Sindice.com, a Semantic Web search engine whose technology evolved into the Apache Any23 project.2
At Google X and Google Labs, Catasta was Head of Applied Research, working on large language models for code, including PaLM-Coder and code pre-training and evaluation for PaLM 2, and designed the Google AI4Code Kaggle challenge. Catasta joined Replit as VP of AI in June 2023 and is now listed as the company's President.231
Work at Replit
Catasta published the Replit AI Manifesto on joining the company and was principal investigator for Replit Code Repair, announced in April 2024. Catasta led the Replit Agent project, launched in September 2024, and its later versions, including Agent 4 in March 2026.3245
Catasta was one of the instructors, with Andrew Ng, of the "Vibe Coding 101 with Replit" short course on DeepLearning.AI in 2025, and was principal investigator of ViBench, a benchmark on vibe coding accepted at ACM CAIS 2026.2
Work
Replit Agent (external site: blog.replit.com)Proprietary product
Led the Replit Agent project, launched to the public in September 2024, and its successors Agent v2 (2025), Agent 3 (2025) and Agent 4 (2026).245
Career timeline
Mar 2021
Co-authored the Code Transformer paper on language-agnostic representation learning of source code, accepted at ICLR 2021.2
May 2023
Worked on code pre-training and evaluations for PaLM 2, announced at Google I/O.2
Jun 5, 2023
Joined Replit as VP of AI and published the Replit AI Manifesto.3
Apr 2024
Served as principal investigator for Replit Code Repair, announced at Replit Developer Day.2
Sep 2024
Sep 2025
Led the public launch of Replit Agent 3.2
Mar 2026
Other documented roles
Roles the sources document but that are not confirmed as current.
- Head of Applied Research, working on LLMs for code generation, Google X and Google Labs23
- Postdoc in machine learning advised by Jure Leskovec; research scientist and instructor in AI, Stanford University2
Related people
More sourced profiles at the same organization, in the same field, or from the same school.
- Amjad MasadAlso at Replit
- Binyuan HuiAgents
- Abigail SeeAlso at Stanford University
- Luis Héctor ChávezAlso at Replit
- Graham NeubigAgents
- Abubakar AbidAlso from Stanford
- Abhimanyu DasAlso at Google
- Harrison ChaseAgents
- Albert GuAlso from Stanford
- Adam PaszkeAlso at Google
- Omar KhattabAlso from Stanford
- Andrej KarpathyAlso from Stanford
Is this you?
Profiles cover public professional work only, and every line cites a source. If something is out of date, missing or wrong, send a correction with a link to an official page and we will update it. Suggest a correction
Add this badge to your website or GitHub profile README. It links back to this page. It is not an endorsement or a rating.
Markdown (for a README)
[](https://unitedstatesofamericasuperintelligence.com/people/michele-catasta/)
HTML
<a href="https://unitedstatesofamericasuperintelligence.com/people/michele-catasta/"><img src="https://unitedstatesofamericasuperintelligence.com/badges/profile.svg" alt="Michele Catasta — Profile on USASI" height="20"></a>
This profile covers public professional work only, from the sources below. It is not an endorsement or a ranking. To correct or remove it, use the correction form.