Sienna Senior Living Inc. provides senior living and long-term care (LTC) services in Canada. It operates through Retirement and LTC segments. The company offers a range of seniors’ living options, including independent supportive and assisted living, memory care, and long-term care services. The company was formerly known as Leisureworld Senior Care Corporation and changed its name to Sienna Senior Living Inc. in May 2015. Sienna Senior Living Inc. was founded in 1972 and is headquartered in Markham, Canada.