Function Investments is a company.
Key people at Function Investments.
Function Investments was founded by Monica Black (Founder & Managing Director).
Function Investments was founded by Monica Black (Founder & Managing Director).
Key people at Function Investments.
Function Health is a health technology company founded in 2022 that provides a comprehensive platform for proactive health monitoring, offering access to over 160 lab tests, advanced MRI and CT scans via its acquisition of Ezra, and personalized insights from top doctors to empower users to live 100 healthy years.[1][2][4] It serves individuals seeking deeper understanding of their biology, detecting issues like cancers, heart disease, diabetes, and hormonal imbalances early, with a membership model that has driven rapid growth to nearly 50,000 members by 2023 and facilitated over 5 million lab tests.[1][4] Backed by $298 million in an oversubscribed Series B at a $2.5 billion valuation (following a $53 million Series A), Function is shifting healthcare from reactive to preventive, establishing a new category in longevity-focused health tech.[1][2][7]
Function Health was co-founded in 2022 by CEO Jonathan Swerdlin, a repeat founder who personally used its services to heal himself, and Dr. Mark Hyman, Chief Medical Officer and a leading expert in functional medicine who founded the Cleveland Clinic Center for Functional Medicine.[2][4] The leadership team includes COO Pranitha Patil (former Accenture health strategist and Harvard grad school dropout), CTO Mike Nemke (ex-Green Beret turned AI engineer), and CPO Seth Weisfield (ex-Meta AI product designer).[4] The idea emerged from recognizing stagnant life expectancy, a $4.5 trillion chronic disease burden, and consumer demand for health agency; it launched a beta in 2023 with minimal marketing, quickly gaining traction by uncovering critical issues like stage 3 ovarian cancer in a 51-year-old and early prostate cancer in a 44-year-old.[1][4][6] Pivotal moments include the Series A led by Andreessen Horowitz in 2024 and the Ezra acquisition, doubling down on imaging alongside labs.[1][2]
Function Health rides the longevity and preventive health trend, converging AI, data, and medicine amid declining U.S. life expectancy and rising chronic disease costs exceeding $4.5 trillion annually.[1][4][6] Timing is ideal post-pandemic, with surging consumer demand for proactive tools—evidenced by 50k members with little marketing—and advances in biomarkers, imaging, and AI enabling "Medical Intelligence" as the intelligence layer for human health.[1][4] Market forces like VC enthusiasm (a16z, Redpoint) and regulatory shifts toward personalized medicine favor it, while its platform influences the ecosystem by normalizing comprehensive screening, saving lives through early detection, and inspiring data-integrated health models.[1][4][7]
Function Health's trajectory points to expanded Medical Intelligence rollout, leveraging its $2.5B valuation and $298M Series B to scale AI-driven insights, global partnerships, and imaging integration for true real-time biology management.[1][7] Trends like AI-health convergence, consumer health fintech, and longevity tech will propel it, potentially evolving into a full-stack health OS influencing standards beyond unicorns. As it redefines health from sickness management to 100 healthy years, Function ties back to its core: empowering individuals with unprecedented clarity over their bodies.[1][4]
