Leadership

Toni Jun

Toni Jun

VP, Preclinical Development

Toni Jun, Ph.D. is Vice President of Preclinical Biology. She has more than 20 years of experience in both cancer and inflammation drug discovery and development programs. Prior to joining Lassen, Toni was the Senior Director of Preclinical Development at Phanes Therapeutics where she helped advance the company’s immuno-oncology programs. She began her career at Kinetix Pharmaceuticals developing small molecule kinase inhibitors for cancer and inflammation. Following the acquisition of Kinetix by Amgen, Toni spent more than a decade with Amgen, working on antibody and small molecule programs targeting cancer. Toni later headed the assay biology group at AnaptysBio, leading antibody and bispecific immuno-oncology programs, including both antagonist and agonist molecules against the immune checkpoint LAG3. She has contributed to multiple patents and peer-reviewed publications throughout her career. Toni received a Ph.D. in Virology from Harvard University and B.S. from the University of Michigan.