ai-health
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The Second Blood Test Is the Point
Superpower sells 150-plus biomarkers, an AI-assisted plan and a second look at your blood. The interesting product is not the test. It is the feedback loop after it.
Azumio Inc.
Azumio is a Redwood City, California digital health company that builds AI-powered mobile apps and developer APIs for tracking heart rate, food, sleep, fitness and diabetes. Founded in 2011 out of the runaway success of its Instant Heart Rate app, Azumio's consumer titles - including Argus, Calorie Mama, Glucose Buddy, Fitness Buddy and Sleep Time - have collectively surpassed 100 million downloads. The company also licenses its computer-vision technology to businesses through the Calorie Mama / Food Lens food-recognition API and its Instant Diabetes Test and health-data platform APIs.
MyBackHub (NSite Medical)
MyBackHub, built by NSite Medical (legally Nsite, Inc.), is an AI-powered digital health platform for non-operative back and spine care. Spun out of the founders' earlier scoliosis work at the National Scoliosis Clinic, it uses a smartphone-based, radiation-free AI scan (the PostureBackNeck Assessment) to analyze posture and spinal alignment at home, then builds a personalized recovery plan combining adaptive exercises, live Pilates classes, licensed physical therapists, Stanford's Empowered Relief pain program, and a 24/7 AI companion. The company holds FDA 510(k) clearance for its AI-based scoliosis scanning app and delivers care at little to no cost through select Medicare and insurance plans.
Matthias Hofmann
Matthias Hofmann is the co-founder and CEO of Eyebot, a Boston-based company building self-serve vision-test kiosks that deliver a 90-second refractive exam and pair users with a tele-optometrist. He holds a PhD in electrical engineering from Virginia Tech, did postdoctoral optics work at Harvard Medical School, and was an early engineer at MIT spinout EyeNetra before starting Eyebot in 2021 with Jack Moldave. In August 2025 Eyebot raised a $20M Series A led by General Catalyst.
Shayan Khorassani
Shayan Khorassani is the Field CEO at Huma, the London-based AI health infrastructure company powering regulated digital health applications for pharma, providers, and governments across 70+ countries. A licensed architect turned health technology operator, he moved from designing physical structures at Tom Wiscombe Architecture and SCI-Arc to translating Huma's platform into deployments for global health systems.
Constant Therapy
Constant Therapy is a Boston-area digital health company that turns speech, language, and cognitive rehabilitation into an AI-personalized app. Spun out of Boston University's Aphasia Research Laboratory in 2012, its platform delivers more than 100,000 evidence-based exercises across 80-plus task categories to people recovering from stroke, traumatic brain injury, aphasia, dementia, and other neurological conditions - and to the clinicians who treat them. A patented NeuroPerformance Engine adapts each session to the individual, extending therapy beyond the clinic and into daily home practice.
Manta Cares
Manta Cares is a San Francisco-based digital health company redesigning the cancer experience for patients and caregivers. Founded by breast cancer survivor Samira Daswani, it offers a free, HIPAA-compliant, AI-enabled platform - featuring subway-style Cancer Maps, a symptom and appointment planner, and expert-reviewed resources vetted by 100+ oncologists - that turns the chaotic cancer journey into a navigable path. The company launched publicly in November 2025 with an oversubscribed $5.4M seed round led by Pear VC and Sozo Ventures.
Toi Labs
Toi Labs makes TrueLoo, an AI-powered smart toilet seat that turns every flush into passive health data. It fits on an existing toilet, optically scans stool and urine (never body parts), and flags concerning changes - blood, cloudy urine, loose stool, or 72 hours without a bowel movement - so care staff at senior living communities can follow up faster. Founded in San Francisco by serial healthcare entrepreneur Vik Kashyap, the company was named a TIME Best Invention of 2024 and is deployed across more than 300 senior care communities in North America.
Glen Tullman
Glen Tullman is a serial health-tech entrepreneur and CEO of Transcarent, the consumer-directed health and care platform he founded in 2021. Over three decades he turned Allscripts into the dominant electronic health records provider, founded Livongo Health and sold it to Teladoc for $18.5 billion - the largest consumer digital health deal in history - and co-founded 7wireVentures, one of the top-returning venture funds in Illinois. Now leading Transcarent's $621M acquisition of Accolade and pushing AI-powered 'WayFinding' tools into employee benefits, Tullman is also a Giving Pledge signatory who has committed most of his estimated $1 billion fortune to healthcare and education.
ŌURA
ŌURA makes the Oura Ring, a titanium smart ring that reads sleep, recovery, heart rate, temperature and activity from the finger. Founded in Oulu, Finland in 2013 and now co-headquartered in San Francisco, it has shipped more than 5.5 million rings, surpassed $500M in 2024 revenue and reached an $11B valuation in its 2025 Series E.
Tom Hale
Tom Hale is the CEO of ŌURA, the Finnish-American health technology company behind the Oura Ring - a smart ring that tracks sleep, recovery, and biometric data. A Harvard-educated technologist with 30+ years spanning Macromedia, Adobe, Linden Lab (Second Life), HomeAway, and SurveyMonkey, Hale came to Oura after a personal health crisis led him to the ring itself. He joined in March 2022 after writing a persuasive letter to the board after initially being rejected. Under his leadership, Oura has grown from a niche wearable to an $11 billion company on a path toward $2 billion in annual revenue, with the U.S. Department of Defense among its largest enterprise customers.
Bill Evans
Bill Evans is the founder and general partner of Rock Health Capital, a San Francisco fund backing pre-seed through Series A entrepreneurs at the intersection of healthcare and technology. A former Goldman Sachs analyst turned 1990s software engineer turned biotech operator, he led Rock Health as CEO and managing director before spinning out the venture vehicle in 2022.
Mira
Mira is a women's health company that built the first at-home hormone monitor with lab-grade accuracy. Its connected device, single-use wands and AI-powered app measure FSH, LH, estrogen (E3G) and PdG so users can map fertility windows, manage PCOS, navigate menopause and share clinical-grade data with their doctors.
Bismarck Lepe
Bismarck Lepe is a serial Silicon Valley entrepreneur and the Co-Founder and CEO of MiSalud Health, a bilingual AI-powered telehealth platform serving Latino and blue-collar workers across the U.S. and Mexico. The son of Mexican immigrant farmworkers, he spent early childhood following seasonal harvests before attending Stanford and building a $1B+ career at Google, Ooyala (sold to Telstra for $400M+), and Wizeline. At MiSalud, he applies his nearshore technology playbook to a deeply personal mission: making quality healthcare accessible to the communities that shaped him.
Victor Sadauskas
Victor Sadauskas is an emergency medicine physician turned entrepreneur and the Co-founder and CEO of Kivo Health, a San Francisco-based digital health company delivering AI-powered virtual pulmonary rehabilitation to COPD patients at home. A Y Combinator W23 alum, Sadauskas built Kivo from his firsthand clinical observation that only 3% of eligible COPD patients ever access pulmonary rehab - a gap he set out to close with a Medicare-covered, home-based program combining remote monitoring, respiratory therapy, and AI-driven coaching.
Victor Vanbremeersch
Victor Vanbremeersch is a French-born entrepreneur and venture scout operating at the intersection of AI, healthcare, and women's sleep health. As CEO and Co-Founder of Moona Health - an AI-powered CBT-I sleep therapy platform backed by Andreessen Horowitz - and simultaneously a Scout for a16z, he occupies a rare dual role: building a company while sourcing the next generation of founders. Moona Health has raised $3.7M, launched clinical partnerships, and is quietly reshaping how insomnia is diagnosed and treated for women.