OneBrain is a model developed for the Consumer Packaged Goods (CPG) industry that aims to understand customer behavior and drive demand. Unlike traditional data science models that focus on specific aspects such as price elasticity or marketing effectiveness, OneBrain is a comprehensive foundation model that integrates all relevant factors into a single system. This model has already been implemented by several early customers and has shown significant transformative effects. OneBrain for CPG is currently being deployed at thousands of POS locations worldwide. This widespread implementation allows for a comprehensive understanding of customer behavior, enabling companies to identify and implement strategies that stimulate demand. The model has been proven to deliver immense value for larger clients, generating hundreds of millions in revenue. In summary, OneBrain is a revolutionary foundation model for the CPG industry that replaces disparate and limited data science models. Its implementation has already demonstrated transformative effects and significant value generation for companies in the industry.