Who We Are

We are an experienced, specialized commercial-stage healthcare investment manager. Our team is committed to generating superior returns by investing in people, products, technologies and services that create a brighter future for global health.

Where We Focus

We target
novel, differentiated healthcare technologies with large addressable markets

We invest
into high-growth, rapidly scalable, commercial-stage operating companies

We minimize
our exposure to regulatory and technology development risk

We leverage
our brand and clinical/medical regulatory expertise for deal sourcing and management

Why Tullis

The Tullis team has invested successfully in all stages of the private company life cycle, throughout most sectors of the healthcare industry, and has been especially effective in later-stage and growth equity situations.

Investment Experience

Our team has more than 150 years of healthcare investment experience and our investment committee members have an average tenure of 15 years with the firm.

Deal Sourcing & Screening Advantage

We have developed a strong brand, providing us with proprietary deal flow. On average, we track deals for two years before investing.

Industry-Specific Expertise & Network

Our team includes venture partners with 70+ combined years of clinical experience and 60+ combined years of academic experience.

Barbara Bierer, MD

David Leffell, MD

Das Narayandas

Tina Nova, PhD

Disciplined Adherence to Strategy

We seek to avoid competitive pricing, look for novel technologies with strong intellectual property, and play active roles at the board level.

Where It Counts

Tullis funds’ investments in people, products, technologies, and services have a significant impact on global health. Here’s a snapshot of what our financial support has helped our portfolio companies achieve.


Countries Using Products/Services




Patients Impacted


Patents Approved

What Our CEOs Say