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Maarten Sap (he/him)
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Maarten Sap (he/him)
@MaartenSap
retiring X acct: find me @maartensap.bsky Working on #NLProc for social good. Currently at @LTIatCMU, previously at @UWNLP, @MSFTResearch, and @allen_ai. 🏳‍🌈
Carnegie Mellon University
maartensap.com
Joined July 2015
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    Maarten Sap (he/him)
    @MaartenSap
    Jul 16, 2022
    Replying to @MaartenSap
    Also, as a personal rule to preserve my well-being, I don't keep #NLProc Twitter logged in on my phone, so DMing me here will result in delayed responses. Email is better 📧 For more info on well-being in academia:
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    Increasing Well-Being in Academia
    From isabelle-augenstein.medium.com
  • user avatar
    Maarten Sap (he/him)
    @MaartenSap
    Jul 10
    was excited to cover my group's work at this workshop, focusing on failures of agents w.r.t. human-facing aspects, like social intelligence, theory of mind, user reliance, and agentic and user-facing safety! Papers in 🧵
    user avatar
    Zihan "Zenus" Wang
    @wzenus
    Jul 9
    Replying to @wzenus
    Our first speaker @MaartenSap from CMU and AI2, opened #FAGEN2026 with a talk on social intelligence in AI agents, from structured social world models (S3AP) to uncertainty communication. A great start to the day😄, connecting how agents understand social situations with how
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    Maarten Sap (he/him)
    @MaartenSap
    Jun 23
    Changing the rules for reviewing requirements without people's consent / by blantantly ignoring people's pre-stated paper limits is bonkers, and making the only path to opt out "just withdraw your submissions" is also crazy...
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    ACLRollingReview
    @ReviewAcl
    Jun 20
    📢 ARR May 2026 cycle update We have published a blog post about the increased review assignments in the May cycle, what happened, and what comes next. Please read the full post here: aclrollingreview.org/may26-cycle-le… #ARR #ACL #NLProc
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    Maarten Sap (he/him)
    @MaartenSap
    Jun 12
    Very excited to unveil this work! For training and evaluating AI that can truly interact and collaborate with humans, we need to have better user simulators, and this work is a step towards that!
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    Xuhui Zhou
    @nlpxuhui
    Jun 11
    Does LLM really need to be a helpful assistant all the time? No. If you want to simulate people, “perfectly helpful” could be the wrong objective. Meet OdysSim, a journey toward LLMs beyond assistants, as behavioral foundation models (10B tokens of real human behavior; 23 sim
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    Maarten Sap (he/him)
    @MaartenSap
    Feb 24
    Presenting two papers! On Tuesday at 12:40pm (Room I; 12pm session): 1-2-3 Check: Enhancing Contextual Privacy in LLM via Multi-Agent Reasoning arxiv.org/abs/2508.07667 (followed by poster session at 1pm)
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    Maarten Sap (he/him)
    @MaartenSap
    Feb 22
    On my way to Paris for the IASEAI conference iaseai.org/our-programs/i…! Who will be there?

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