Grinnell has been leading RAK Hospitality Holding since 2019. The company owns, operates, and manages a diverse portfolio of assets, including hotels, logistics, restaurants, and leisure. It operates five subsidiaries, including RAK National Hotels, Stirling Hospitality Advisors, RAK Hospitality Logistics, RAK Leisure, and Safarak. The company has four hotels and resorts in Ras Al Khaimah. In 2022, Marjan, RAK Hospitality Holding, and Wynn Resorts announced a multibillion-dollar integrated resort development on Ras Al Khaimah’s Al Marjan Island.