Stephen Mortimer

Stephen Mortimer is a seasoned game designer with extensive experience spanning over 18 years in the video game industry. Currently serving as Game Design Director at Riot Games, a position held since September 2016, Stephen has contributed to multiple titles in the Teamfight Tactics franchise as well as overseeing significant design projects such as Inkborn Fables and Runeterra Reforged. Prior to this, Stephen held several roles at Nintendo from 2005 to 2016, culminating as Lead Designer for Mini Mario & Friends: amiibo Challenge. In addition to a Bachelor’s degree in Real-Time Interactive Simulation from DigiPen Institute of Technology, Stephen possesses a strong foundation in interactive design, evident from a progressive career that includes lead and senior design roles across various acclaimed titles.