I’m excited to team up with @rogerfederer again for the Match in Africa Friday in Cape Town. Playing alongside Roger is always a thrill, and I can’t wait to face off against @RafaelNadal and @Trevornoah. https://t.co/WMlbBtZwVC

As we conclude our foundation’s second decade of work in global health and education, I have never been more optimistic about the opportunity to improve life for the world’s poorest. I look forward to partnering with you on the work ahead. https://t.co/yUcbdLkBm7

Thank you, Sue, for all of your contributions to our foundation. I look forward to continuing our work together on important health and education projects that will improve lives. https://t.co/5FaDd56GNC

If the world keeps up the fight against these neglected tropical diseases, we can improve the lives of millions of families: https://t.co/Naourwhu9i #WorldNTDDay https://t.co/eRiBlWI4at

The world has only begun to tap into all the ways AI will help people live healthier lives. I’m excited about the launch of @Microsoft’s new AI for Health initiative, which connects researchers and organizations with world-class AI talent and resources. https://t.co/htZZ0YRIfd

I joined @Twitter ten years (and a couple of days) ago. These are some of my favorite tweets. What’s your favorite tweet from the last ten years? https://t.co/wnylJeSG3q

@gavi There are still too many children—many living in some of the hardest-to-reach places on the planet—who aren’t getting basic vaccines. Gavi is the best tool we have to reach them.  #VaccinesWork

For twenty years, @gavi has worked to ensure that every child in the world is protected from preventable diseases. The results are incredible. But their work is far from done. https://t.co/PI6xkfY5fL

I had a fascinating conversation with Vaclav Smil about what bacteria, babies, empires, and economies all have in common: https://t.co/HUE9aiFLZz https://t.co/NBSLul2iMj

It's great to see Microsoft's leadership in this area. Avoiding the worst effects of climate change will require innovation and investment to get us to net zero carbon emissions across all sectors of the economy. https://t.co/plEjWeqdPg