Mark Gannaway
Principal Machine Learning Engineer at Warner Bros. Discovery
London, England, United States
Summary
👤
Senior🎓
Top SchoolMark Gannaway is a Principal Machine Learning Engineer based in London with 14 years of experience building production ML and recommender systems across media and tech companies. He has led architecture and large-scale experimentation at CNN and Warner Bros. Discovery, productionized dozens of recommendation models, and moved ML pipelines from ad-hoc cron jobs to robust orchestration with Airflow. Comfortable across systems, ML research and practical engineering, he has implemented nearest-neighbour search optimizations (including AVX-512 aware approaches), real-time prediction services, and probabilistic graph models for collaborative filtering. A former CTO and technical reviewer, he pairs hands-on coding in Go and systems design with mentoring and developer tooling work. Outside of work he collects vintage CS and physics books and pilots small aircraft, reflecting a taste for precision and long-term curiosity that informs his engineering.
14 years of coding experience
12 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Science and 3D Graphics, First Class Honours, Bachelor of Science (B.Sc.), Computer Science and 3D Graphics, First Class Honours at University of Kent
English, French
Github Skills (48)
programming-language10
interpreter10
go10
golang10
compiler9
odin9
recommender8
goplus8
driver8
sentence7
native-library7
matrix-factorization7
nlp6
roberta6
lightfm6
Programming languages (3)
Github contributions (5)
Ganners/php-office-document-search
Nov 2012 - Jul 2013
Contributions:7 commits in 7 months
Ganners/go-radix
Nov 2015 - Jul 2016
Contributions:51 commits, 4 PRs, 29 pushes in 7 months
golangradix-treefuzzyradix
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