Giving a TED talk is always a memorable (and nerve-wracking!) experience. Beyond the talk, I also got to listen to the stories of frontline workers and catch up with some of the people working to make the world a more equitable place: https://t.co/dTRJk1uJGM

Each day, polio workers around the world cross mountains and deserts to bring vaccines to kids. It’s up to us to match their dedication with our support. #EndPolio https://t.co/zfnxgjKT6A

Building a software company is nothing compared to building a Roman fire bucket. I tried my hand at it for my latest TED Talk: https://t.co/kKsR0yKIhV https://t.co/cV9lphEFtO

The Global Fund is one of the kindest things people have ever done for one another. Replenishing it will lower malaria cases by almost two thirds in just four years, strengthen health systems, and help ensure COVID-19 is the last pandemic. #WorldMalariaDay https://t.co/cEKaxoI2Pv

Happy World Book Day! I try to read every day, whether I have a busy day at the office or am out for a hike. It’s one of my favorite ways to learn new things and better understand the world. https://t.co/cW71Lsv8Zr

Seven years ago, I gave a TED Talk about how the world wasn’t ready for the next epidemic. A lot has changed since then: https://t.co/3oT8MJIYrO

We can’t reach zero carbon emissions without innovation. In this new series, you’ll meet some people who are on the cutting edge of clean energy: 
#EarthDay https://t.co/o6CISr0GD2

Interesting article on how Liberia’s health workers use data to provide crucial insights and stop diseases from spreading: https://t.co/vKT5si3kHR

I hope Namzi is feeling better. Her comics are great! https://t.co/P8nKWRy4bY

One of the surprises of the pandemic is how long it took to develop effective treatments—few people thought there would be vaccines before COVID medicines. In this first excerpt from my new book I suggest ways to speed things up during future outbreaks. https://t.co/ShtJkmrPbC

One of the best parts of my job is learning from innovators and entrepreneurs taking on some of the world's greatest challenges. They make me optimistic about the world’s ability to get to net-zero carbon emissions: https://t.co/1wNjdBJOlJ