Builders & open source
Mark McQuade
Co-founder (identified as CEO and co-founder in a July 2025 company announcement), Arcee AI
Mark McQuade is a co-founder of Arcee AI, an open-weight model lab whose Trinity family of models is released under open licenses; a July 2025 Arcee announcement identified McQuade as CEO and co-founder. McQuade co-authored Arcee's MergeKit paper on merging language models and the Arcee Trinity Large Technical Report.1234
At a glance
- Current role
- Co-founder (identified as CEO and co-founder in a July 2025 company announcement)
- Company
- Arcee AI
- Sector
- Company
- Fields
- Language models
- Work listed
- 2
- Sources cited
- 6
- Profile reviewed
Arcee AI
McQuade co-founded Arcee AI, which describes itself as a model lab that began in post-training and later began pretraining its own open-weight models, the Trinity family. In a July 2025 company announcement, Arcee quoted McQuade as its CEO and co-founder.21
In 2026 McQuade co-authored, with Lucas Atkins, Arcee's announcement of Genesis-Science-1, an open model for scientific research developed with the U.S. Department of Energy and its national laboratories.5
Research
McQuade is a co-author of Arcee's MergeKit paper (2024), on a toolkit for merging large language models, and of a 2024 study on adapting Llama-3-70B-Instruct to SEC data with continual pre-training and model merging. McQuade is also listed among the authors of the Arcee Trinity Large Technical Report (2026).364
Work and contributions
Trinity Open weights
Co-author of the Arcee Trinity Large Technical Report (2026), which describes the Trinity Large, Trinity Mini and Trinity Nano models.4
MergeKit Published research
Co-author of "Arcee's MergeKit: A Toolkit for Merging Large Language Models" (2024), which presents a toolkit for combining the parameters of model checkpoints.3
Timeline
- Co-authored "Arcee's MergeKit - A Toolkit for Merging Large Language Models" on arXiv.3
- Co-authored a study on domain adaptation of Llama-3-70B-Instruct through continual pre-training and model merging.6
- Identified as CEO and co-founder of Arcee AI in a company announcement.1
- Co-authored the Arcee Trinity Large Technical Report.4
- Co-authored Arcee AI's announcement of Genesis-Science-1 with the Department of Energy.5
Where they work
- Arcee AI 3 people in the wiki
Related people
- Lucas AtkinsAlso at Arcee AI
- Julien SimonAlso at Arcee AI
- Raymond LiLanguage models
- Anton LozhkovLanguage models
- Yejin ChoiLanguage models
- Ronan CollobertLanguage models
- Mika SenghaasLanguage models
- Ilya SutskeverLanguage models
- Yu-An ChungLanguage models
- Rohan TaoriLanguage models
Suggest a correction or removal
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References
6 sources · profile reviewed Oct 22, 2026 · data updated Oct 22, 2026
- Arcee AI Secures Strategic Investment to Accelerate Enterprise-Grade AI Platform Built on AFM Foundation Models (Arcee AI blog)
- About Arcee AI
- Arcee's MergeKit: A Toolkit for Merging Large Language Models (arXiv 2403.13257)
- Arcee Trinity Large Technical Report (arXiv 2602.17004)
- Genesis-Science-1 (Arcee AI blog)
- Domain Adaptation of Llama3-70B-Instruct through Continual Pre-Training and Model Merging: A Comprehensive Evaluation (arXiv 2406.14971)