What is Function Health?
Membership health platform combining broad lab testing, clinician insights, imaging, and medical intelligence.
- Category
- Consumer health
- Headquarters
- Austin, TX / remote-first reported
- Founded
- 2023
- Employees
- Hundreds reported
- Total funding
- $350M disclosed
- Valuation
- $2.5B Series B valuation
What is Function Health?
Function Health is a membership platform that gives consumers broad biomarker testing, clinician-written insights, longitudinal health data, and expanding imaging/medical-intelligence services. TIME reported hundreds of thousands of users, and 2025 funding coverage said total funding reached $350M.
Function Health is a membership platform that gives consumers broad biomarker testing, clinician-written insights, longitudinal health data, and expanding imaging/medical-intelligence services. TIME reported hundreds of thousands of users, and 2025 funding coverage said total funding reached $350M.
Function Health has a scale profile that matters to sellers: Hundreds reported, $350M disclosed, and $2.5B Series B valuation. Public sources give enough product and funding detail to profile the company, but private revenue, customer-level pricing, personal emails, and complete internal office lists are not invented here.
What does Function Health offer?
Function Health offers Annual membership, 160+ lab tests, Clinician insights, Medical Intelligence Lab, and related services.
- Annual membership· Membership
- 160+ lab tests· Diagnostics
- Clinician insights· Care
- Medical Intelligence Lab· AI
- Ezra imaging· Imaging
- Employer offering· B2B
How does Function Health make money?
Function monetizes annual memberships, priced at $365/year after a 2025 price reduction, plus related services such as imaging and employer offerings where available; official disclaimers state membership includes technology/service fees and prepaid lab/third-party services.
Function monetizes annual memberships, priced at $365/year after a 2025 price reduction, plus related services such as imaging and employer offerings where available; official disclaimers state membership includes technology/service fees and prepaid lab/third-party services.
Growth is driven by adoption in consumer health, expansion into larger accounts or programs, and operational execution. Where list prices are public, this profile uses them; where pricing is contract-specific, it explicitly treats pricing as custom rather than inventing unit economics.
Who leads Function Health?
Function Health is led by Jonathan Swerdlin with public founders and executives supporting consumer health scale.
- Jonathan SwerdlinCo-founder & CEOSince 2023Leads consumer preventive-health platform.
- Mark Hyman, MDCo-founder / Chief Medical Officer signalFounderFunctional medicine physician associated with medical vision.
- Zack RockwellCo-founderFounderCo-founder named in funding and company materials.
How do you contact Function Health's leadership?
Function Health does not publish verified personal executive emails in the sources used. Use public company contact, support, sales, investor, or careers paths rather than guessed personal addresses.
Public contact/support/sales route; personal format not verifiedHow much funding has Function Health raised?
Function raised a $53M Series A led by a16z Bio + Health and a $298M Series B led by Redpoint at a $2.5B valuation, bringing total funding to $350M.
Function raised a $53M Series A led by a16z Bio + Health and a $298M Series B led by Redpoint at a $2.5B valuation, bringing total funding to $350M.
a16z lists Function Health on its public investment list where applicable. The latest valuation/status used here is $2.5B Series B valuation; for public or soon-to-be-public companies, current market status or transaction status is more useful than stale private marks.
How did Function Health get here?
Function Health reached its current scale through product expansion, major financing, and category execution.
- 2023FoundedFunction Health is founded in Austin, TX / remote-first reported.
- GrowthProduct-market expansionThe company scales its consumer health product surface.
- Major roundMajor financingFunction raised a $53M Series A led by a16z Bio + Health and a $298M Series B led by Redpoint at a $2.5B valuation, bringing total funding to $350M.
- 2025Current scale signalPublic sources show Hundreds reported and $2.5B Series B valuation.
- June 2026Directory snapshotProfile refreshed as of June 2026.
Who are Function Health's competitors?
Function Health competes with category-specific vendors and adjacent platforms.
Function Health — frequently asked questions
