Pioneering Gene Writing

A new category of genetic medicine

Tessera Therapeutics is pioneering Gene Writing™—a new genome engineering technology that writes therapeutic messages into the genome to treat diseases at their source.

Our mission is to cure disease by writing in the code of life.

Expanding possibilities in genetic medicine

Gene Writing™

The first of its kind, Gene Writing is a versatile technology platform that can permanently make small and large alterations to the human genome.


We are pioneering tissue-targeted non-viral delivery technology to make genomic alterations where they are needed.

Focus Areas

Gene Writing can address major unmet medical needs with potentially curative and accessible therapies.