Startup

Oura

Smart ring for sleep, fitness, and stress tracking

  • Consumer & Lifestyle
  • Oulu, Finland
  • Series C+

About Oura

Oura manufactures intelligent wearable rings that track sleep, activity, and stress through biometric sensors including photoplethysmography, accelerometers, and temperature monitoring. Founded in Finland in 2013, Oura serves over 5.5 million users globally. The latest Ring 5 is 40% smaller while maintaining clinical-grade accuracy. The company combines physiological signals to deliver health insights and AI-powered recommendations.

Founders

  • Petteri Lahtela

    Co-founder, Former CEO

    Co-founder and founding CEO of Oura Health. Led the company from its 2013 inception in Oulu, Finland, through multiple funding rounds and product generations before stepping down as CEO in 2018.

  • Tom Hale

    CEO

    Current CEO of Oura since 2022. Previously held leadership roles at HomeAway (Chief Operating Officer), Linden Lab (Chief Product Officer), and other tech companies including Macromedia and Adobe. Has led Oura's expansion into healthcare partnerships and global markets.

Oura logo
Industry
Consumer & Lifestyle
Based in
Oulu, Finland
Stage
Series C+
Founded
2013
Team
1,400 people
Total raised
€1.5bn

Funding rounds

DateRoundAmountLead investors
Series C+UndisclosedFidelity Management & Research Company, ICONIQ, Whale Rock, Atreides
Series C+UndisclosedFidelity Management, Dexcom