Discovering next generation antibody-based therapeutics addressing challenging targets for the treatment of cancer.

Our Company

QLSF Biotherapeutics is an innovative immuno-oncology startup company in South San Francisco. Our research and development are focused on a diversified oncology portfolio, with strong financial and clinical development support from a leading pharmaceutical company.

Our Team

We are an experienced team of scientists with expertise in antibody
engineering, protein science, immuno oncology and
preclinical in vivo models.

Antibody Engineering

Protein Science


In Vivo

Our Leadership


Shihao Chen, PhD
CEO, Co-Founder


Hieu Van Tran, MS


Alan Wahl, PhD
Scientific Advisor

Join Our Team

We are a science-driven company and always welcome scientists with talent and expertise.

Please send your cover letter and resume to

Current Openings


QLSF Biotherapeutics is open to co-development, strategic partnerships or out-licensing opportunities to fully leverage our platform and programs.

For additional information on QLSF programs please contact

Contact Us

We are located in the beautiful San Francisco Bay, a prime environment for life science researchers and scientists. Our facility is at the Edgewater Business Park Complex, just minutes from the 101 freeway and San Francisco International Airport.

300 Utah Ave, Suite 130
South San Francisco, CA 94080

Contact us by email at or find us on LinkedIn.