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§ Private Profile · New Haven, CT, USA
Revalia Bio is a technology company.
Revalia Bio accelerates drug development by delivering high-fidelity, organ-based human data before clinical trials begin, enabling better insights into safety, efficacy, and mechanism of action.
Revalia Bio has raised $20.0M across 2 funding rounds.
Revalia Bio has raised $20.0M in total across 2 funding rounds.
Revalia Bio has raised $20.0M across 2 funding rounds. Most recently, it raised $15.0M Seed in September 2025.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Sep 1, 2025 | $15M Seed | America's Frontier Fund, Sierra Ventures | BoxOne Ventures, Roger Ferguson | Announced |
| Feb 1, 2023 | $5M Seed | — | Alumni Ventures, BoxOne Ventures, Builders VC, First Round Capital, SeaX Ventures, SNR, Zaka Ventures, Varsha RAO | Announced |
Revalia Bio is a Yale University spinout developing a Human Data Trials platform that revives non-transplantable donated human organs using proprietary normothermic perfusion technology to generate real-time, high-fidelity data for drug development.[1][2][3][7] The company serves biopharma companies, health systems, and physician-scientists by providing perfused organs for testing pharmacology, toxicity, efficacy, and patient-specific responses in kidney disease, oncology, and beyond, solving the problem of poor translatability from animal models or in vitro systems to humans.[3][5][7] This accelerates preclinical insights, de-risks trials, and reduces R&D waste, with early traction including multimillion-dollar revenue, customers among the top 10 pharma firms, and a ~$30M U.S. government contract as of late 2025.[6][7][8]
Launched commercially in 2023, Revalia has raised $14.5M in seed funding from investors like Sierra Ventures and quadrupled revenue in its first year, building an 8,000 sq ft facility in New Haven as a 24/7 "organ ICU."[5][7][8]
Revalia Bio emerged as a Yale spinout in March 2023, founded by co-founder and CEO Greg Tietjen and co-founder and Chief Product Officer Jenna DiRito, leveraging decades of organ perfusion expertise from Yale's ecosystem.[5][7][9] The idea stemmed from recognizing the untapped potential of deceased donor organs unsuitable for transplant—repurposed via normothermic machine perfusion to act as "mechanical patients" for up to five days, yielding human-relevant data beyond animal models.[1][2][4]
Early pivotal moments included validating demand through partnerships with organ procurement organizations and academic centers, developing a four-day kidney perfusion protocol, and creating a first-of-its-kind human lung cancer model with LifeShare of Oklahoma.[5][8] This groundwork led to signing two top-10 pharma customers and rapid revenue growth shortly after launch.[7][8]
Revalia stands out in preclinical testing through its full-stack platform integrating hardware, software, and analytics for native human organ data, leapfrogging engineered models like organoids or chips.[2][6]
Revalia rides the human-first drug development wave, aligning with FDA initiatives to phase out animal testing (e.g., for monoclonal antibodies) by offering a "translational bridge" with real human variability—age, genetics, disease history—that static or synthetic models can't match.[6][7] Timing is ideal amid rising preclinical failure rates (90%+), R&D costs exceeding $2B per drug, and demand for predictive data to cut waste.[3][8]
Market forces like organ donation networks, AI analytics, and biofabrication advances favor Revalia, positioning it against competitors (e.g., Curi Bio, Emulate) by using authentic tissues for highest fidelity.[6] It influences the ecosystem by enabling physician-led research, de-risking pharma filings, and powering "Human-Centered Drug Development," potentially reshaping trials and personalized medicine.[3][4][8]
Revalia is poised to dominate as the infrastructure for human data in biopharma, expanding Human Data Trials to new diseases, medical devices, and adaptive clinical companions while scaling its procurement and analytics.[7][8] Trends like AI integration, regulatory shifts from animals, and precision medicine will propel growth, with the $30M contract signaling government buy-in for population-scale testing.[6]
Its influence could evolve from niche pioneer to essential platform, transforming donor legacies into curative breakthroughs and slashing development timelines—redefining innovation from prediction to real-world proof, much like how cloud computing standardized data for tech.
Revalia Bio has raised $20.0M in total across 2 funding rounds.
Revalia Bio's investors include America's Frontier Fund, Sierra Ventures, BoxOne Ventures, Roger Ferguson, Alumni Ventures, Builders VC, First Round Capital, SeaX Ventures, SNR, ZAKA Ventures, Varsha Rao.