I'm excited to share that I joined Microsoft as Principal researcher. Microsoft #1! 🚀
7:12 AM · Jun 29, 2026 · 23.1K Views
2025 ARC Prize winner Alexia Jolicoeur-Martineau, known for her Tiny Recursive Model work, joins Microsoft
Story Overview
The 2025 ARC Prize winner behind the compact yet high-performing Tiny Recursive Model has left her senior post at Samsung's SAIT AI Lab to become a Principal Researcher at Microsoft, where she publicly called the company her top choice.
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FYI
Her compact model already punched above its weight
The roughly 7-million-parameter TRM outperformed far larger systems on ARC-AGI benchmarks, showing that recursive reasoning can deliver strong results without massive scale.
Open Question
Next projects and team alignment stay under wraps
No details have surfaced on her specific Microsoft group, start date, or whether TRM-style work will continue, leaving those angles open for now.
Sentiment
Users congratulated Alexia Jolicoeur-Martineau on joining Microsoft as Principal Researcher, expressing approval for the career move.
Pos
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0.0%
38 comments with sentiment.
Cluster Engagement
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VIEWS583
Kosta Derpanis (sabbatical in Zurich)@CSProfKGD
@jm_alexia 💪
Alexia Jolicoeur-Martineau@jm_alexia
I'm excited to share that I joined Microsoft as Principal researcher. Microsoft #1! 🚀
2hViews 583Likes 0Bookmarks 0
LIKES1
Dimitris Papailiopoulos@DimitrisPapail
@jm_alexia @HessianFree Welcome!!!
Alexia Jolicoeur-Martineau@jm_alexia
I'm excited to share that I joined Microsoft as Principal researcher. Microsoft #1! 🚀
1hViews 440Likes 1Bookmarks 0
Yannick Nick@keennay
@jm_alexia Congrats!
59mViews 155Likes 1
VioP@AcousimHss
@jm_alexia Congrats!!
2hViews 101Likes 1
Pierre Bongrand@bongrandp
@jm_alexia Congratulations! Very happy that you joined a company that values your contributions!
2hViews 244
Leo Boytsov@srchvrs
@jm_alexia Big congratulations @jm_alexia ! Very well deserved. 🥳
Alexia Jolicoeur-Martineau@jm_alexia
I'm excited to share that I joined Microsoft as Principal researcher. Microsoft #1! 🚀
56mViews 177Likes 0Bookmarks 0
tsunami_crypto@ls_brd
@jm_alexia huge congrats, thats a serious move
principal researcher sounds like the dream job title
2hViews 171
Animesh Karnewar@AnimeshKarnewar
@jm_alexia Huge congratulations @jm_alexia! Looking forward to seeing your projects scale up now 😉…
2hViews 152
Québec.AI@Quebec_AI
@jm_alexia Toutes nos felicitations!
2hViews 124
JFPuget 🇫🇷🇺🇦🇨🇦🇬🇱@JFPuget
@jm_alexia Felicitations!
1hViews 38Likes 1
Amaka Peace Chiemezie@Ahmypeace
@jm_alexia Congratulations Alexia 🎊
2hViews 103
Mohammed Mahdi@Mohammed_AMahdi
@jm_alexia Congratulations 🎉 We’re really happy for you. I sent you a DM about your TRM paper and low-resource Arabic. I’d appreciate it if you could check it when you have a moment.
2hViews 98
Mohammad Pezeshki@mpezeshki91
@jm_alexia Congrats!
2hViews 98
Aser Lompo@AserLompo
@jm_alexia Huge congrats !!
2hViews 94
Reyhane Askari@ReyhaneAskari
@jm_alexia Congrats!
2hViews 82
Teddy@TedSlusser
@jm_alexia Congratulations! What will you be researching??
2hViews 54
Federico Vaggi@F_Vaggi
@jm_alexia Hi Alicia! Staying in Montreal area or moving to Redmond/Washington? And of course, congratulations!
2hViews 53
Greg Cook@GregCook2011
@jm_alexia Congratulations
2hViews 34
Saurabh Bhatnagar@analyticsaurabh
@jm_alexia Congratulations!
2hViews 32
Mathieu Tuli@TuliMathieu
@jm_alexia very nice congrats!
2hViews 15
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