Starwood Property Trust, Inc. operates as a real estate investment trust (REIT) in the United States, Europe, and Australia. It operates through four segments: Commercial and Residential Lending, Infrastructure Lending, Property, and Investing and Servicing segments. The Commercial and Residential Lending segment originates, acquires, finances, and manages commercial first mortgages, non-agency residential mortgages, subordinated mortgages, mezzanine loans, preferred equity, commercial mortgage-backed securities (CMBS), and residential mortgage-backed securities, as well as other real estate and real estate-related debt investments, including distressed or non-performing loans.