Shaheena A9arwala is a UX consultant and founder of PurpleCube Design Studio. She discusses UX design techniques like keeping interfaces simple, relating designs to familiar concepts, and testing iteratively. She explains how companies like Amazon and Google focused narrowly on specific goals and grew from there. A9arwala also discusses how Flipkart and Myntra struggled by going app-only and losing users due to limitations of mobile apps and choice. Overall, she emphasizes techniques like focusing scope, understanding users, rapid iteration, and multi-platform support in UX design.