Gebbia serves on the Board of Trustees of his alma mater, the Rhode Island School of Design (RISD). In 2014, he donated US$300,000 to RISD to establish a US$50,000 term scholarship and an endowed fund. On June 1, 2016, Gebbia joined Warren Buffett and Bill Gates' 'The Giving Pledge', a select group of billionaires who have committed to give the majority of their wealth away.