Phia

Phia is an AI shopping assistant co-founded by Phoebe Gates (daughter of Bill Gates) and Sophia Kianni, launched in April 2025. The platform functions as a browser extension and mobile app, scanning 40,000+ retail and resale sites in real time to surface the best prices on fashion and secondhand goods. Often described as the 'Google Flights of fashion', Phia raised a $35M Series A at a $185M valuation led by Notable Capital, with participation from Khosla Ventures and Kleiner Perkins. The company reached over 500,000 users within months of launch.