Restoring balance to the immune system.

Built on pioneering advances in regulatory T cell biology, SonomaBio is a clinical-stage biotechnology company developing precision-engineered regulatory T cell (Treg) therapies for autoimmune and inflammatory disease.

Sonomabio Lab 0027 1 Aspect Ratio 262 353
222 Aspect Ratio 251 353

Autoimmune disease is chronic. Most cell therapies aren’t.

We’re building a new generation of Treg therapy for the course of the disease, not just a single intervention.

Target Aspect Ratio 408 322

Properietary Precision Manufacturing

Engineered to preserve Treg function throughout expansion, helping maintain the biological properties critical to therapeutic activity.

Person Cells Aspect Ratio 408 322

Advancing Poly-Refractory RA

Developing Treg cell therapies for patients with poly-refractory rheumatoid arthritis who continue to experience active disease despite multiple treatment options.

Paradigm Aspect Ratio 408 322

A New Paradigm for Chronic Disease

Designing durable Treg therapies for chronic autoimmune and inflammatory diseases, with the potential to reduce treatment burden and improve long-term disease management.

Meet the people who lead, support, and advise us.

  • Jill Mcguire 1x1

    Jill McGuire

    Senior Vice President, Finance

  • Sean Obryan 1x1

    Sean O’Bryan

    SVP, Regulatory Affairs & Quality Assurance

  • Michele Lab 1x1

    Michelle Blake

    Vice President, Translational Sciences

  • Sabrina Fox Bosetti 1x1

    Sabrina Fox-Bosetti

    Vice President, Clinical Operations

  • Amanda 1x1 Aspect Ratio 1 1

    Amanda Pace

    Vice President, Analytical & Process Development

  • Sameer Hallway 1x1

    Sameer Sivaamnuaiphorn

    Vice President, Program Team Lead, SBT7101 Program

  • Yuanyuan Hallway 1x1

    Yuanyuan Xiao

    Vice President, Data Sciences

Jill Mcguire 1x1

Jill McGuire

Senior Vice President, Finance
Sean Obryan 1x1

Sean O’Bryan

SVP, Regulatory Affairs & Quality Assurance
Michele Lab 1x1

Michelle Blake

Vice President, Translational Sciences
Sabrina Fox Bosetti 1x1

Sabrina Fox-Bosetti

Vice President, Clinical Operations
Amanda 1x1 Aspect Ratio 1 1

Amanda Pace

Vice President, Analytical & Process Development
Sameer Hallway 1x1

Sameer Sivaamnuaiphorn

Vice President, Program Team Lead, SBT7101 Program
Yuanyuan Hallway 1x1

Yuanyuan Xiao

Vice President, Data Sciences
149 Aspect Ratio 1773 1397

Careers at SonomaBio

Restoring immune tolerance requires more than innovative science. It demands disciplined execution across research, clinical development, and manufacturing. We’re building that team, united by a shared commitment to patients.