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Brian Bartoldson

Researcher

PhysicsMachine learning

Now Staff scientist, AI research group · Lawrence Livermore National Laboratory

@bartoldsonbrianbartoldson.wordpress.com ↗

Machine learning researcher at Lawrence Livermore National Laboratory working on LLM efficiency and safety: faster instruction finetuning (NEFTune), scaling laws for adversarial robustness, fast asynchronous RL post-training, and earlier neural network surrogates for fluid dynamics.

Path

Current

  1. Lawrence Livermore National LaboratoryStaff scientist, AI research group
    2022 – present

Previous

  1. Lawrence Livermore National LaboratoryPostdoctoral research staff
    2020 – 2022
  2. Lawrence Livermore National LaboratoryScholar (summers 2017 and 2018)
    2017 – 2018
  3. Charles River AssociatesAnalyst, then associate, then consulting associate
    2012 – 2015

Sourcesbrianbartoldson.wordpress.combrianbartoldson.wordpress.com/cv-1.pdfEducation and jobs are read from their own homepage or employer's page; papers checked on arXiv. From LinkedIn only the person's own public posts are read; GitHub is a link only.

Account links back to x.com/bartoldson · Avatar from their X account, taken 2026-11-02

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