Dr. Craig Mello is a preeminent molecular biologist whose pioneering work has fundamentally reshaped our understanding of genetic regulation and therapeutic approaches to disease. He currently serves as an Investigator at the Howard Hughes Medical Institute, holds the Blais University Chair in Molecular Medicine, and co-directs the RNA Therapeutics Institute at the University of Massachusetts Medical School. Dr. Mello earned his Bachelor of Science degree in Biochemistry from Brown University in 1982 and completed his Ph.D. in Biology at Harvard University in 1990, where his foundational research began to take shape. Following postdoctoral training at the Fred Hutchinson Cancer Research Center, he joined the University of Massachusetts Medical School in 1994, establishing a research program that would soon lead to one of the most significant biological discoveries of the modern era.
Dr. Mello's groundbreaking collaborative research with Dr. Andrew Fire led to the discovery of RNA interference, a fundamental mechanism that cells use to regulate gene expression through double-stranded RNA molecules. Their seminal 1998 publication demonstrated how introducing double-stranded RNA into organisms could specifically silence target genes, a finding that revolutionized molecular biology research methods and earned them the 2006 Nobel Prize in Physiology or Medicine. RNA interference has since become an indispensable tool for studying gene function and has opened new therapeutic avenues for treating previously intractable genetic diseases by silencing disease-causing genes. This discovery, named Science magazine's Breakthrough of the Year in 2002, represents one of the most significant biological advances of the past two decades, fundamentally altering the approaches researchers use to investigate and manipulate genetic information. The mechanism they uncovered is now recognized as an ancient evolutionary pathway essential for viability and fertility across diverse species.
Beyond his Nobel-winning discovery, Dr. Mello continues to advance the frontiers of RNA biology and therapeutics, using the nematode C. elegans as a model system to investigate embryogenesis, gene silencing, and epigenetic inheritance mechanisms. His laboratory is actively exploring the connections between RNA interference pathways and genome editing technologies like CRISPR, developing innovative approaches to model and treat human genetic diseases. Recognized as a member of the National Academy of Sciences, the American Academy of Arts & Sciences, and the American Philosophical Society, Dr. Mello's influence extends through his mentorship of the next generation of researchers and his leadership in establishing RNA therapeutics as a major field of biomedical innovation. His ongoing work promises to unlock further therapeutic applications of RNA-based technologies, potentially transforming treatment approaches for numerous genetic disorders and advancing our fundamental understanding of genetic regulation.