Oura Health Ltd is a Finnish health technology company, known for the Oura Ring, a smart ring used to track sleep and physical activity. The company was founded in 2013 by Petteri Lahtela, Kari Kivelä, and Markku Koskela. Harpreet Singh Rai was the CEO from 2018 until 2021, when he was replaced on an interim basis by Michael Chapp. In 2022, Tom Hale was appointed CEO. The company is headquartered in Oulu, Finland, with other locations in Helsinki, Finland, and San Francisco, United States. The company introduced the first-generation ring via Kickstarter in 2016 and launched the ring at the Slush tech conference in 2017.