Drew Weissman, a pioneer of mRNA technology and professor at the University of Pennsylvania, shares his revolutionary journey in vaccine development. He details the critical breakthroughs that led to the successful mRNA vaccines and discusses the ongoing innovations aimed at combating diseases like HIV and malaria. Drew emphasizes the importance of global vaccine access and the role of mentorship in science. His insights offer hope for future advancements in gene therapy, showcasing the potential of mRNA technology to transform medicine.