Beyond the GiveWell Podcast: Fortify Health's Lessons from Scaling
Tony Senanayake
Published on May 25, 2026 5:22 AM GMT TL;DR GiveWell has published a podcast, looking back on their investments in iron fortification and their $8.2M grant to Fortify Health in 2021. When the grant was made, the projected cost-effectiveness was 5x cash transfers we delivered and estimated 12x. We want to share what this looked like from the inside. Over three years, our team scaled from reaching fewer than half a million people to more than 20 million, while roadblocks in our government engageme