Demetri Karagas, Angel Investor

Demetri Karagas is the Co‑Founder of Thirty Madison, a healthcare company reimagining care for the modern consumer. He also co‑founded Cove, the first full‑service solution for migraine treatment, and Keeps, a platform helping men address hair loss with accessible treatment options. His work reflects a consistent mission: building consumer‑focused healthcare companies that deliver specialized, affordable, and scalable solutions. Earlier, Demetri held product and operations roles at Google (Google Home Services) and Homejoy, gaining experience in scaling consumer platforms. He is also an angel investor, backing startups in healthtech and digital services. His recent investments include Predoc (healthcare SaaS), Brellium (AI‑driven health solutions), Berry Health (digital health), Getlabs (at‑home diagnostics), and Stix (women’s health), underscoring his focus on companies transforming healthcare delivery.