Big Sky Health

Big Sky Health is a health and wellness company overseeing key companies in the health and wellness industry.

Big Sky Health aims to remove roadblocks and motivate people to reach their fasting goals, through confidence, courage, celebration and a shared experience.

Big Sky Health was founded in 2018 by Mike Maser. The company is headquartered in Big Sky, Montana, United States.


Big Sky Health is the creators of the world’s most popular and most highly rated fasting app, Zero, announced the launch of Zero Plus, a premium offering of Zero, that provides custom, adaptive fasting plans and exclusive, science-backed content to help guide users on their health journeys.


Big Sky Health has a community of more than 7.5 million around the world, users turn to the company for scientifically-backed guidance in the pursuit of a healthy lifestyle. Since launching in 2017, Zero has recorded over 1.5 billion hours of fasting across nearly 100 million completed fasts. 


Big Sky Health is backed by Greycroft, True Ventures, Trinity Ventures, Tony Gonzalez, Matt Mullenweg and others. The company raised $8M in a Series A round on May 19, 2020. This brings Big Sky Health's total funding to $12.2M to date.



  • Year founded: 2018
  • Funding Info: $12.2M over 2 Rounds (Latest Funding Type: Series A)
  • Yearly Revenue: NA
  • Employee Size: 11-50
  • Business Valuation: NA
  • City/Town: Big Sky
  • State: Montana
  • Country: United States
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