In the next episode of ASTCT's "Titans of Transplant," Dr. Shernan Holtan hosts Dr. Renier Brentjens, a pioneer in CAR T-cell therapy and a transformative leader in transplantation and cellular therapy. Dr. Brentjens discusses the challenges and breakthroughs behind developing the first chimeric antigen receptors (CARs), the pivotal discovery of CD19-targeting hybridomas, and the determination needed to turn bold ideas into clinical reality. Tune in for an insightful look at how early experiments paved the way for today’s CAR T-cell advancements, capturing the passion, persistence, and pivotal moments that shaped a new era in cancer treatment.