Arboretum Ventures is an Ann Arbor, Michigan–based early-stage venture capital firm founded in 2002 that focuses on investing in healthcare innovation with an emphasis on medical devices, life science tools & diagnostics, tech-enabled care delivery and adjacent pharma opportunities across the United States; the firm typically backs Series A and B companies with capital and strategic support, aiming to improve patient outcomes and reduce health system costs while cultivating under-ventured teams and sectors and managing over $1 billion across multiple funds.