50 Most Influential Clinical Executives - 2019

Brennan plays an integral role in combining clinical operations between CVS Health and Aetna. Brennan is currently focused on four key priorities: improving care for patients with chronic diseases, helping vulnerable populations gain access to care, improving transitions of care and improving electronic data exchange. He is overseeing the launch of the company’s new HealthHub, which aims to offer more personalized care and greater use of digital tools.