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Bartmoss St Clair

@bartmossstclair

AI leader combining NLP research, product strategy, and team building to deliver scalable AI solutions.

Germany
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What I'm looking for

I seek senior AI roles where I can lead NLP/ML teams, shape product AI strategy, mentor engineers, and deliver production-grade, cost-efficient AI solutions.

I am an AI leader with a strong foundation in mathematics and theoretical physics, over a decade of industry experience, and deep expertise in NLP, ML, and MLOps. I build and scale AI teams, drive product-focused research, and translate complex models into production systems.

As Head of AI I scaled a team from 3 to 10 engineers, moved from third-party models to in-house solutions reducing costs by 10x, improved latency and accuracy, and delivered high-conversion AI-driven paraphrasing features. I have led cross-functional programs, managed AI budget and roadmaps, and developed RAG and other retrieval-based solutions.

I advise startups and enterprises on AI strategy, teach and upskill teams, contribute to open-source projects like Secret Sauce AI, and have worked with organizations such as Samsung, Harman, MSD, Citigroup, and others. I prioritize pragmatic, cost-efficient AI adoption that empowers engineers and leadership to act on data.

Experience

Work history, roles, and key accomplishments

LanguageTool logoLA
Current

Head of AI

LanguageTool

Jan 2022 - Present (3 years 8 months)

Scaled and led the AI team, transitioning from third-party models to in-house solutions reducing costs ~10x, improved latency and accuracy, and drove AI vision, strategy, and roadmap across the Learneo writing vertical (LanguageTool, QuillBot, Scribbr).

ME

Volunteer Consultant

Medizinische Nothilfe Mali eV

Jan 2012 - Dec 2013 (1 year 11 months)

Supported medical relief logistics, fundraising, and coordination during conflict and modeled Ebola spread to inform targeting of medical efforts.

Education

Degrees, certifications, and relevant coursework

Heidelberg University logoHU

Heidelberg University

Master of Science, Mathematics and Theoretical Physics

2008 - 2014

Activities and societies: C1-level DSH certification; coursework included mathematics, physics, and computer science at Max Weber Haus Studienkolleg.

Completed undergraduate and graduate studies in mathematics and theoretical physics, including a Bachelor of Science in Mathematics, a Bachelor of Science in Theoretical Physics, and a Master of Science in Theoretical Physics.

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Bartmoss St Clair - Head of AI - LanguageTool | Himalayas