Thomas Snyder

Thomas Snyder, aka Dr. Sudoku, is a three-time World Sudoku Champion and six-time US Puzzle Champion. Thomas specializes in hand-crafting artistic, themed logic puzzles, particularly sudoku and variations. He is the founder of Grandmaster Puzzles and is the co-author, with Mike Selinker, of the PuzzleCraft series of columns in GAMES magazine. Away from puzzles, Thomas is a scientist developing new medical diagnostics for organ transplant management.