About Thomas Snyder

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Grandmaster Puzzles was founded by Thomas Snyder. Thomas first gained notice in the puzzle world by winning the US and World Sudoku Championships (2007, 2008, 2011). He is also a seven-time US Puzzle Champion. As a puzzle constructor, Thomas specializes in hand-crafting artistic, themed logic puzzles, particularly sudoku and variations. He is the author of eight books of puzzles, has contributed puzzles to publications including GAMES Magazine and Wired, and has written puzzles for events including the World Puzzle Championship, the World Sudoku Championship, the US Puzzle Championship, the MIT Mystery Hunt, Gen Con, and the Microsoft Puzzle Picnic.

Away from puzzles, Thomas is a scientist developing new technologies to enable personalized, preventive medicine. Formerly at ImmuMetrix and Adaptive Biotechnologies, in 2015 Thomas joined Verily (previously Google Life Sciences) to manage their multiple sclerosis program. He is currently the Head of Computational Biology at Verily.


  • Mary Pinkney says:

    Hi, If I sign up for your expert membership, will I have access to videos that will teach me what I need to know in order to solve the puzzle?


    • drsudoku drsudoku says:

      All Expert and above patrons do get access each week to either a video of a puzzle being solved or a written solution walkthrough with many images (it is about a 2:1 ratio of videos to text right now). Going through these will give insights into the particular puzzle being solved, and also probably some tips like notations that help for a puzzle style or things to look for to solve faster. There are a couple free examples on our Patreon creations page if you are curious.

  • Adelle M. Cowley says:

    If I sign up on patreon, will I be able to ask questions directly to you or other masters? right now I’m having trouble solving this puzzle https://www.brainzilla.com/logic/zebra/meeting-room/ and others of the same style and I’d like some guidance. thanks

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