Resnick brings decades of leadership experience in health sciences, business operations, strategy, innovation and commercial growth William Feehery to step down as CEO on December 31, 2025 Company reaffirms full year 2025 financial outlook RADNOR, Pa., Dec. 11, 2025 (GLOBE NEWSWIRE) -- Certara, Inc. (Nasdaq: CERT), a global leader in model-informed drug development, announced today that it has appointed Jon Resnick as its next Chief Executive Officer and member of Certara’s Board of Directors, effective Jan ...