The International Game Developers Association announced today that Jason Della Rocca, the organization’s Executive Director since 2000, will be stepping down at the end of March to pursue other opportunities. While most gamers would probably go their whole lives without ever knowing who Jason was, to industry people he’s been a guiding force and relentless supporter for nearly a decade. The IGDA, responsible for advocacy, education, anti-censorship, and countless other developer-supporting activities, grew from 500 …