Cosan, a connected chronic care management company helping providers extend care beyond the clinic, today announced a $15 million strategic growth equity investment led by Ziegler Link-age Funds and The Specialty Alliance, the nation’s leading physician-led Healthcare Partnership Organization and a long-standing Cosan partner.

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The investment accelerates Cosan’s expansion of its AI-enabled, human-led virtual care platform, which empowers providers to deliver proactive, compassionate, and personalized support to individuals living with chronic conditions in between office visits. The funding will advance Cosan’s ability to scale its multidisciplinary care teams, enhance AI-driven insights, and support practices seeking to improve outcomes while strengthening operational efficiency.

“We’re proud to deepen our partnership with Cosan,” said Katie Schmitz, Managing Partner at Ziegler Link-age Funds. “Cosan is demonstrating how AI can amplify the human touch—closing care gaps, strengthening relationships, and delivering outcomes that matter to patients and providers.”

Dr. Paul Berggreen, Chief Strategy Officer at The Specialty Alliance, added: “Cosan has been an exceptional partner for supporting our patients between visits. As we broaden our services across GI, urology, rheumatology, and radiation oncology, their chronic care management model remains an essential resource.”

Cosan currently serves more than 130,000 patients nationwide and enrolls 300 new patients each day, helping practices expand chronic care programs without sacrificing empathy or clinical quality. Its AI tools synthesize patient data, surface rising risks, streamline workflows, and personalize engagement while allowing clinicians to stay focused on meaningful patient interactions.

“Our mission is to help providers deliver compassionate, high-quality care beyond the office,” said David Hunt, CEO of Cosan. “AI allows us to extend the reach of care teams, not replace them. This investment strengthens our ability to deliver connected, timely, and personal care that improves lives.”

Cosan’s approach supports the healthcare industry’s shift toward proactive, value-based chronic disease management—bringing together advanced automation with real human connection.

About Cosan

Cosan connects care where it matters most—between patients and the people who serve them. We bring compassion, continuity, and efficiency to chronic care management by helping providers extend their reach beyond the office. Our mission is to ensure care is not only managed, but personal, timely, and focused on improving every life we touch.

About Ziegler Link-age Funds

Ziegler Link-age Funds invest in companies transforming aging services, healthcare delivery, and health technology. A joint venture between Ziegler and Link-age, the funds unite innovators and providers committed to improving the lives of older adults and their families.

About The Specialty Alliance

The Specialty Alliance is a physician-led Healthcare Partnership Organization (HPO) that provides specialty practices with the capital, data, and national infrastructure needed for sustainable growth while preserving autonomy and advancing specialty care across the country.

OM Partners, LLC served as exclusive financial advisor, and Sherrard, German & Kelly, PC served as legal counsel to Cosan. Reed Smith LLP served as legal counsel to Ziegler Link-age Funds. Ropes & Gray LLP served as legal counsel to The Specialty Alliance

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Cosan Secures Strategic Growth Investment to Scale AI-Enabled, Team-Based Virtual Care for Chronic Conditions. Learn more at: www.cosangroup.com