Until is a moonshot company building a “pause button” for biology. Our near-term focus is organ-scale reversible cryopreservation: preserving donated organs at subzero temperatures without ice formation, then rewarming them uniformly for transplant. By solving this grand challenge, we’re laying the foundation for whole-body reversible cryopreservation, giving patients a bridge to future cures.
To achieve our goal, we are assembling an interdisciplinary team to develop perfusion systems, cryoprotectant formulations, and vitrification and rewarming hardware.
We envision a future where no transplantable organ is lost to logistics, and no terminal diagnosis is final because patients can safely wait for future medicine to arrive.
About the Role We are seeking a Scientist/Senior Scientist, Translational Cardiac Biology to join our team. You will be part of a multidisciplinary team that designs, builds, and characterizes new technologies that form the foundation of organ-scale reversible cryopreservation.
In this role, you will advance cryopreservation formulations by designing, executing, and analyzing high throughput experiments focused on cardiac biology and toxicology. You will establish novel approaches to characterize toxicity and permeability of new cryoprotectant solutions using cardiac cells (hiPSC-CMs, immortalized cells) and advanced 3D in vitro cardiac models. Your work will pioneer the use of predictive 2D and 3D models for toxicity assessment, helping enable human-sized organ preservation and bridging patients to future cures.

Scientist/ Senior Scientist - Translational Cardiac Biology

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