Colossal Biosciences

Colossal is a breakthrough bioscience and genetic engineering company that builds radical new technologies to advance the field of genomics. Colossal creates disruptive technologies for extinct species restoration, critically endangered species protection and the repopulation of critical ecosystems that support the continuation of life on Earth. The company is the first to apply CRISPR technology for the purposes of species de-extinction, beginning with the woolly mammoth. Colossal is accepting humanity’s duty to restore Earth to a healthier state, while also solving for the future economies and biological necessities of the human condition through cutting-edge science and technologies.

Internship applications for Summer 2026 are now closed. We will not be accepting any additional applications at this time. We are finalizing intern selections and updates will go out to all applicants as those decisions are made. Thank you for the incredible interest in our internship program!

Applicant Notice: Be aware of hiring scams. Official Colossal requests for interviews are sent from a Colossal email domain (@colossal.com). We may communicate via text but it would be accompanied by an email. We never request money during any part of the recruitment process nor do we ask applicants or new hires to purchase any equipment and/or cash checks to do so. All resumes and applications are accepted here through our Careers page.

Colossal is proud to be amongst the winners for America's Most Loved Workplaces in 2024 via Newsweek! See the list here.