Harvard and MIT geneticist and genomics pioneer whose lab helped launch genome sequencing, CRISPR editing, and de-extinction, and who has founded dozens of biotech companies.
Facts
- Born
- August 28, 1954, Florida, USA
- Field
- Genetics, genomics, synthetic biology
- Known for
- Genome sequencing, CRISPR, de-extinction
- Role
- Professor of Genetics, Harvard Medical School
- Ventures
- Colossal Biosciences, eGenesis, Rejuvenate Bio
Background and genomics
George Church is an American geneticist, molecular engineer, and one of the most prolific inventors and entrepreneurs in modern biotechnology. A professor of genetics at Harvard Medical School and of health sciences and technology at Harvard and MIT, he is a core faculty member of the Wyss Institute for Biologically Inspired Engineering. Church helped pioneer the technologies of genome sequencing, and his laboratory has contributed to CRISPR genome editing, synthetic biologyArticleSynthetic BiologyEngineered cells and biological circuits could sense disease, manufacture therapies, and adapt inside the body.Read entry →, and de-extinction. He grew up in Florida, studied at Duke University, and earned a PhD from Harvard in 1984, where as a graduate student he helped develop some of the first direct methods for sequencing DNA and contributed early ideas that helped initiate the Human Genome Project. In 2005 he launched the Personal Genome Project, which recruits volunteers willing to share their genomic and health data openly, pioneering an open-consent model for genetic privacy.
Genome editing and synthetic biology
In January 2013 Church's laboratory was among the first to demonstrate that the CRISPR-Cas9 system could edit the genomes of human cells, published alongside related work from other groups. He was a co-founder of Editas Medicine, formed to develop CRISPR-based therapeutics. A leader in synthetic biologyArticleSynthetic BiologyEngineered cells and biological circuits could sense disease, manufacture therapies, and adapt inside the body.Read entry →, Church has worked not only to read genomes but to rewrite them. His lab developed multiplex automated genome engineering, a method for making many edits at once, and has pursued efforts to recode the E. coli genome to make organisms resistant to viruses, part of a broader program to build cells with new and useful properties.
De-extinction, aging, and companies
Church is the scientific figurehead of de-extinction, the effort to recreate extinct species or their traits. In 2021 he co-founded Colossal BiosciencesCompanyColossal BiosciencesDe-extinction and species-preservation company co-founded in 2021 by Ben Lamm and geneticist George Church, targeting the woolly mammoth, thylacine, and dodo.Company → with the entrepreneur Ben Lamm, aiming to engineer cold-adapted elephants that carry woolly mammoth traits and to revive animals such as the thylacine and the dodo through genome editing. He has also turned genetic engineering toward aging, co-founding Rejuvenate Bio to develop gene therapies for age-related disease, with early work in dogs, an interest that connects to epigenetic reprogramming. Few academics have founded as many companies as Church, whose ventures span genomics, therapeutics, and biomanufacturing. Among them, eGenesis applies CRISPR to remove viruses and incompatibilities from pig genomes so their organs might one day be transplanted into humans, an approach to xenotransplantationArticleXenotransplantationGene-edited pig organs have kept human recipients alive for weeks to months, opening a possible route around the chronic shortage of human donor organs.Read entry → that has advanced to early experimental transplants, and others include Nebula Genomics and Veritas Genetics in consumer and whole-genome sequencing.
Reception
Church is widely regarded as one of the most creative and influential geneticists of his generation, credited with helping found the genomics industry and mentoring a large cohort of scientists. His readiness to pursue provocative projects, from de-extinction to proposals for human genetic enhancement, has drawn both fascination and criticism. Ethicists have questioned the wisdom of some of his ideas, and observers note that his ventures sometimes promise more than they have so far delivered. Church generally frames his work as expanding the tools available to biology, arguing that careful engineering, rather than caution alone, is the responsible path forward.