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League of Legends Wiki

Jeff Jew

Jeff 'Kassadin' Jew was the Executive Producer of Legends of Runeterra icon Legends of Runeterra at Riot Games.


Jeff joined Riot in 2007 as one of their first interns and was one of the original 11 developers who began the development of League of Legends icon League of Legends. He helped create the original design documents for League of Legends' core gameplay, user interface and platform as well as codesigned the original 22 champions alongside Paul 'Pabro' Bellezza, Colt 'Ezreal' Hallam and Steve 'Guinsoo' Feak. Jeff created the original concepts for Amumu Amumu, Anivia Anivia, Corki Corki, Garen Garen, Gragas Gragas, Kassadin Kassadin, Katarina Katarina, Malphite Malphite, Pantheon Pantheon, Poppy Poppy, Taric Taric, Teemo Teemo, and Volibear Volibear. He also created the Yordle race with Paul 'Pabro' Belleza. He would later become the Product Owner for Skins, Champions, Maps, and Gameplay on League of Legends before moving off to Research & Development to oversee the development of Legends of Runeterra.



  • The champion Kassadin Kassadin was named after him.
  • He was one of Riot's founding interns.