Charleen Kao

Founder & CEO, The Join Agency

Charleen Kao is an advertising and growth leader with a history of driving scale for some of the world’s fastest-growing brands. With marketing roots at Disney and Lionsgate, she led large-scale campaigns that connected with global audiences. Drawn to the energy of startups, she joined Google as one of the first sales hires for Google LA, playing a pivotal role in shaping the West Coast startup ecosystem and leading strategy for clients like ClickUp, ServiceTitan, and Kajabi.

As Founder and CEO of Join The Agency, Charleen helps venture-backed founders and brands scale smarter - turning paid media into predictable growth. She is passionate about helping entrepreneurs align vision to growth, build intentionally, and scale with purpose.