Inzerillo was appointed the founding CEO of the Diriyah Gate Development Authority in 2018. The company was established in 2017 to deliver cultural destinations centered around the At-Turaif District in Diriyah. In January 2023, the $63.2 billion project became a “giga project” under the Public Investment Fund. In January 2024, the company inaugurated Diriyah Art Futures, a center for digital arts, in partnership with the Saudi Ministry of Culture. Inzerillo has 50 years of industry experience. He is also a board member of the Saudi Tourism Authority and the vice chairman of the Forbes Travel Guide. He was previously president and CEO of IMG Artists and president of Kerzner Entertainment Group.