Erich Ziegler managed a $320 million marketing budget when he worked for Netflix. Needing to optimize that budget and ensure it was being placed into the right demand gen channels, Erich came up with a concept he calls ‘Flex Marketing’ - a model for adjusting marketing spend to support top-performing channels. Since then, Erich has successfully applied this model at both B2C and B2B companies, including his current company, CircleCI. Listen as Erich and I dive into this model and how it works, the importance the proving ROI in marketing, and more.