Sean Punch (born July 27, 1967) is a Canadian writer and game designer.
[2]: 110 Assisted by David L. Pulver, another Canadian and veteran role-playing game designer, he took on the task of re-designing the entire rule system for the a fourth edition of GURPS beginning in September 2002.
[2]: 112 Sean Punch remains the Line Editor for GURPS - equivalent to being editor-in-chief of a book series, and the key decision-maker for new rules expansions.
In an attempt to acknowledge the quality and quantity of his work, some GURPS players have used his online nickname ("Kromm") to create a tongue-in-cheek cult.
Sean Punch has appeared in the following newspaper and magazine articles, websites, and podcasts.