
Prellis Biologics is building human tissues for drug development, and ultimately, developing human organs for transplantation. Bioprinting vascularized human tissue and organs will revolutionize healthcare. Prellis Biologics' technology leverages massive gains in print speed and resolution to break the microvasculature barrier. The company was founded in 2016 and is based in San Francisco, California.

Prellis Biologics is building human tissues for drug development, and ultimately, developing human organs for transplantation. Bioprinting vascularized human tissue and organs will revolutionize healthcare. Prellis Biologics' technology leverages massive gains in print speed and resolution to break the microvasculature barrier. The company was founded in 2016 and is based in San Francisco, California.
Founded: 2016
Headquarters: San Francisco / Berkeley, CA area
Tech focus: 3D bioprinted lymph node organoids + AI/ML for antibody discovery (EXIS™)
Recent funding: Series C activity recorded (latest date Mar 10, 2025)
Antibody discovery and therapeutic development using human-relevant in vitro models; long-term organ engineering for transplantation.
2016
Biotechnology Research
14,500,000
Series B reported at $14.5M; participation from Khosla Ventures and SOSV/IndieBio
Series C activity recorded with announced date Mar 10, 2025
“Backed by institutional VCs including Celesta Capital, Khosla Ventures, SOSV/IndieBio, Avidity Partners, True Ventures, Black Diamond Ventures and others”
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Position Overview:
Prellis Biologics uses proprietary technology to 3D print lymph node organoids, which we are using for generating antigen-specific B-cells and ultimately in vitro antibody libraries for multiple targets. We are seeking a highly motivated Senior Associate Scientist with a strong background in cellular biology to join our team on a contract basis. In this role, the individual will be supporting our ex vivo antibody production efforts as well development for the generation of detection reagents for flow cytometry. The ideal candidate will have a strong background in cell biology, biomolecular techniques, and experience in flow cytometry and production environments.
Primary Responsibilities:
Required Qualifications:
Preferred Experience:
About Prellis Biologics
At Prellis we integrate human biology with machine learning. We aim to revolutionized drug discovery by harnessing the power of human immune system with tightly, integrated machine learning to develop next-generation antibody therapeutics with unparalleled speed, precision and safety. We are committed to empowering our pharmaceutical partners with access to the most promising fully human body candidate rapidly identified from the human immune repertoire, enabling them to bring life-changing treatments to patients faster than ever before.Prellis Biologics is a pre-IPO biotech located in Berkeley CA with a team-oriented, inclusive, and family-friendly culture. Our growing pipeline target high unmet patient needs across therapeutics including metabolic, inflammation, and oncology disease. Prellis has raised funding from top investors, including Celesta, Khosla Ventures, SOSV, & Avidity Partners.
What you can expect of us
As we work to develop treatments that take care of others, we also work to care for your professional and personal growth and well-being. From our competitive benefits to our collaborative culture, we’ll support your journey every step of the way.
The expected annual salary range for this role in the U.S. is posted. Actual salary will vary based on several factors including but not limited to, relevant skills, experience, and qualifications.
Application deadline
Prellis does not have an application deadline for this position; we will continue accepting applications until we receive a sufficient number or select a candidate for the position.
Prellis Bio is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
We believe diversity, equity, and inclusion need to be at the foundation of our culture. We work hard to bring together diverse teams–grounded in a wide range of expertise and life experiences–and work even harder to ensure those teams thrive in inclusive, growth-oriented environments supported by equitable company and team practices. All candidates can expect equitable treatment, respect, and fairness throughout the interview process.