Ribbon Health, an API data platform that powers high-quality, cost-effective, and convenient care decisions, announced a $43.5 million Series B investment led by General Catalyst and with participation from new and current investors, including Andreessen Horowitz (a16z), BoxGroup, Rock Health, and Sachin Jain. As part of the round, Holly Maloney, managing director at General Catalyst who is focused on investing in later-stage healthcare companies, will also join Ribbon's Board of Directors. Ribbon will use this funding to prioritize team expansion and technology investments to build a best-in-class data platform to simplify healthcare decisions across the industry.