
Before founding Assort Health, Jeff Liu thought a $100 million company would be an extraordinary outcome. A shared CEO title, a difficult launch and three years of building moved that ambition into a different column.

A rejected demo, a borrowed Chicago workspace and one stubborn operating idea turned a former hospital volunteer into the product half of a $1.2 billion healthcare AI company.
Jon Wang is the co-founder and co-CEO of Assort Health, a San Francisco company building voice AI agents that answer the phone for doctors' offices. A Stanford bioinformatics graduate and Gates-Cambridge Scholar who walked away from UCSF medical school, Wang spent two years studying why patients wait on hold before launching Assort with Jeff Liu in 2023. The company has since handled more than 42 million patient interactions and raised $102 million, including a $76 million Series B led by Lightspeed in 2025.