This document summarizes discussions around public-private partnerships (PPPs) for the development and commercialization of waxy cassava starch. It notes that CIAT has developed waxy cassava varieties through mutation breeding and entered into various agreements with companies like Ingredion and the Thai Tapioca Development Institute to develop markets for waxy cassava starch. The document discusses factors like development costs, value chain complexity, and farmer benefits that make PPPs preferable to solely public goods strategies. It also addresses intellectual property, genetic resources issues, commercial viability, and next steps in further developing these PPPs and markets for waxy cassava starch.