Amb. Mark Andrew Green (ret.) became President & CEO of ONE in May 2026, bringing decades of experience in public service, diplomacy, development, and advocacy.
But titles only tell part of the story.
From teaching in a village in Kenya to serving as U.S. Ambassador to Tanzania, from helping advance landmark global health initiatives to leading some of the world's most influential development institutions, Mark's career has been shaped by a simple belief: everyone deserves the opportunity to build a better future.
We asked Mark about his journey, what brought him...
Culture
Here's everything you need to know about how we're celebrating Africa Day here at ONE.
The last year has been an interesting one, to say the least. With the first promises of COVID-19 vaccines to the rise of new variants like Delta and Omicron, 2021 has seen a lot of ups and downs.
As we begin to wind down and enter the holiday season, we want to recap the year for you. But we know you’re all sick of hearing pandemic news and would rather just hear holiday songs.
So here’s 2021 re-told through some holiday...
Earlier this year, we celebrated Malala Day and Mandela Day: two incredible changemakers who have dedicated their lives to fighting injustice. As part of the celebrations, we composed a list of 10 well-known activists who lead, educate, and inspire us to change the world and asked ONE supporters to vote for their favorite.
Over 7,000 supporters from across the globe cast their vote. Here are the top three voted activists by ONE supporters in the US:
In first place with 33%...
“Pandemica” is ONE’s newest animated content series about a world where the pandemic never ends — it’s a never-ending pandemic purgatory. From showcasing how vaccine hoarding will impact populations to what will happen if the COVID-19 virus continues to mutate, Pandemica sheds light on the reality that billions of people are experiencing right now as one-third of the world’s countries have yet to receive a single dose of COVID-19 vaccines, and what the entire world could experience if vaccine...
Chances are, most people you talk to would likely agree that it’s important to end poverty. But, if you were to ask all those people to explain poverty, chances are you would get a lot of different answers. Poverty is complicated, and there’s no one answer to what it means. On top of that, there are a number of causes and solutions.
That’s why we’ve put together a quick explainer on poverty, why it matters, and what you can do...
Meet 8 brave and committed people who have been prosecuted or persecuted for standing up for what they believe in.
One of the most fun and rewarding parts of the holiday season is giving gifts that bring joy to people around you. And with the 2019 (RED) SHOPATHON, your holiday shopping can become even more meaningful. It’s (RED)’s fifth annual holiday shopping extravaganza, with over 150 products that all fight AIDS with every purchase.
When you shop (RED), you’re helping to save lives. (RED)’s SHOPATHON campaign has generated over $140 million for the Global Fund since it launched in 2015,...
HIV/AIDS likely isn’t on the front page of your morning paper—but the crisis is still affecting millions of people worldwide.
Thirty years ago, news of HIV/AIDS swept the world. Unsure of what it was, what caused it, and how to stop it, fear and stigma became hallmarks of the epidemic. While many bought into the stigma, others decided to take action.
5B is a documentary following nurses who worked in the first HIV/AIDS ward in the United States, San Francisco General...
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She Leads Africa
She Leads Africa is building the next generation of fierce and...