In addition to managing Ariel Investments, Hobson serves as chairman of the board of Starbucks Corporation and as a director of JPMorgan Chase. In 2010, Lucas and Hobson signed the Giving Pledge, committing to dedicate the majority of their wealth to improving education, particularly through the arts. They co-founded the Lucas Museum of Narrative Art, pledging a seed collection and the historic Lucasfilm production archive, along with extensive funds for the museum’s acquisition program.