Ossama Eissa

Ossama Eissa is the Chief Operating Officer of Cellares. He brings more than 20 years of experience in pharmaceutical and biotech manufacturing, with a rare and distinguished record as the site head responsible for the commercial-scale production of two FDA-approved CAR-T cell therapies. Prior to joining Cellares, Ossama served as Vice President and General Manager at Legend Biotech, where he led the Raritan, New Jersey production site through the global commercial launch of Carvykti®, a CAR-T cell therapy for multiple myeloma. At Novartis, he oversaw U.S. manufacturing operations and supported the regulatory approval and commercial scale-up of Kymriah®, the first FDA-approved CAR-T cell therapy. At Lonza Biologics, he managed Global Strategic Projects within the Cell and Gene Technologies Business Unit, driving manufacturing efficiency improvements and commercial scale-up initiatives across the business. At Cellares, Ossama leads global manufacturing operations and oversees the expansion of the company's IDMO Smart Factory network across the United States, Europe, Japan, and other international markets. He earned an MBA from the American University in Cairo and a B.Sc. in pharmaceutical sciences from Cairo University.