Michael “Mike” McArtor, Wizards of the Coast employee and former editor of Dragon Magazine, died Monday afternoon in a car crash.

McArtor was the editor at dailymtg.com, and prior to that worked at Paizo Publishing, where he worked on Dragon Magazine and early Pathfinder products.

McArtor, 40, suffered a fatal medical issue causing a multiple-vehicle crash in the Bellevue, Washington area on Monday afternoon.