Make health a daily practice
Oura Health is a Finnish health technology company founded in 2013 by Petteri Lahtela, Kari Kivelä, and Markku Koskela, headquartered in Oulu, Finland with a US HQ in San Francisco. The company makes the Oura Ring, an award-winning smart ring that tracks sleep, readiness, heart rate, temperature, and activity metrics. With 900+ employees, 5.5 million rings sold, and 30+ in-house PhDs, Oura raised $900 million in 2025 at an $11 billion valuation.
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