Simon Tokumine
Senior Director Of Product Management at Google
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolSimon Tokumine is a Senior Director of Product Management at Google with 14 years of experience building and shipping AI-driven products that reach billions of users. He has led core efforts on Gemini and PaLM2 post-training and model tuning, bringing tuned models into Search, YouTube, Ads and Android while founding the LLM Post Training team within Google Brain. Simon also led consumer-facing products like Google Discover and the Search App, transforming discovery into a multi-format visual feed and enabling new ad revenue streams. A practical engineer at heart, he contributes to open source (notably front-end work on CartoDB/torque for temporal mapping) and has hands-on full-stack experience integrating mapping APIs and UI refinements. Based in San Francisco, he pairs an MSc in Computer Science from Imperial College with a background in environmental biology, reflecting broad analytical curiosity and systems thinking. He’s focused on making AI accessible everywhere, combining deep product strategy with operational experience shipping large-scale ML systems.
14 years of coding experience
MSc, Computer Science, MSc, Computer Science at Imperial College LondonBSc, Environmental Biology & Management, BSc, Environmental Biology & Management at University of York
English, Japanese
Stackoverflow
39reputation
5kreached
1answer
0questions
Github Skills (8)
javascript10
front-end-development10
google-maps-api9
api8
apim8
aggregates6
postgresql6
css5
Programming languages (2)
Github contributions (5)
CartoDB/torque
Oct 2012 - Oct 2012
Temporal mapping for CARTO
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:13 commits in 1 day
Contributions summary:Simon appears to be responsible for developing and maintaining the front-end aspects of the `torque` repository. They added an example demonstrating the use of the library with OpenStreetMap (OSM) data, including modifications to remove zoom controls for a cleaner UI. The user also made changes to the `cartodb-gmapsv3.js` and `backbone.cartodb.js` files, indicating work related to integrating and updating the project's core dependencies and API interactions. Additionally, the user made reformatting changes and code updates.
mappingtemporalcarto
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