Why We Invested in GenHealth.ai

Jeff Fluhr
Craft Ventures
Published in
2 min readJul 19, 2023

We’re excited to announce that Craft Ventures has co-led a $13M investment in GenHealth.ai. Like GenHealth, we believe all healthcare decisions will soon take guidance from AI with the goal of driving better health outcomes for everyone. GenHealth wants to be that AI, and we’re thrilled to be backing them on their ambitious vision.

GenHealth.ai co-founders Eric Marriott, Ricky Sahu, and Ethan Siegel

GenHealth is building what they call a “large medical model” (LMM), which is distinct from a large language model (LLM) in that it is trained on a corpus of longitudinal medical data for a population of patients — and not on textual data. As an example, GenHealth will be able to generate predictions for a patient’s future diagnoses based on that patient’s historical medical events, age, gender, and other demographic information. GenHealth’s AI is also able to uncover previously unknown correlations between different diseases and conditions.

The healthcare sector sits on vast datasets that are highly sensitive and difficult to access due to regulatory and privacy barriers. GenHealth has already started to unlock some of this data in a compliant way and used it to train its initial models. By building an LMM trained on raw structured clinical and claims data, GenHealth finds relationships between patients’ current or past medical events and makes inferences about future events. These capabilities are not possible with other LLMs.

GenHealth has a large market opportunity, but even more importantly, it will have a profound impact on improving patients’ lives. The company’s solutions will be relevant and valuable across large segments of the industry, spanning health insurance plans, pharmaceutical companies, and providers.

We met CEO and founder Ricky Sahu four years ago when he was building his first company, 1upHealth. Ricky is a talented technical founder with deep industry and operating experience. As a spinoff of 1upHealth, GenHealth has deep and unique advantages: industry-leading expertise in FHIR standards and data stacks, trusted customer relationships and a deep understanding of relevant healthcare datasets.

As a society, we’re getting closer to using structured healthcare data to make medical breakthroughs and benefit humanity. GenHealth is poised to be a critical player in this important revolution, and we’re thrilled to be a part of it.

Written by Jeff Fluhr and Bryan Rosenblatt

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Jeff Fluhr
Craft Ventures

Now: General Partner of Craft Ventures. Former: Co-Founder/CEO of StubHub. Angel investor in Twilio, Houzz, Warby Parker, Trulia and others.