Ventas, Inc. is a real estate investment trust (REIT). The Company is engaged in operating at the intersection of healthcare and real estate. It has a portfolio of senior housing communities, medical office buildings (MOBs), life science, research and innovation centers, hospitals and other healthcare facilities. The Company's segments include Triple-Net Leased Properties, Senior Housing Operating Portfolio (SHOP), and Office Operations. Triple-Net Leased Properties is engaged in investing in and owning senior housing and healthcare properties throughout the United States and the United Kingdom and leasing those properties to healthcare operating companies under triple-net or absolute-net leases. The Senior Housing Operating Portfolio (SHOP) segment invests in senior housing communities throughout the United States and Canada. The Office Operations segment acquires, owns, develops, leases and manages MOBs and life science, research and innovation centers throughout the United States.