The annual 'World's Most Powerful Women' list from Forbes highlights the achievements and influence women in a variety of fields: from CEOs to celebrity role models, entrepreneurs and politicians such as Angela Merkel, who tops the list for the sixth time.
Women in tech feature prominently too, with six making it into the top 25, and 16 in total.
Here are the ten most influential in the world this year...
1. Sheryl Sandberg, Facebook COO
Image: Wikimedia Commons
Sheryl Sandberg is ranked 7th on this year's list, moving up one place from last year.
Facebook's chief operating officer became the first woman on the board in 2012 after joining the social networking firm from Google in 2007. She has previously worked as the chief of staff for the United States Secretary of the Treasury.
As well as supporting continued growth at Facebook, she has promoted initiatives to address the gender gap within the tech industry and is on the board of Women for Women International.
Sandberg's current net worth is $1.38 billion.
2. Susan Wojcicki, YouTube CEO
Susan Wojcicki is ranked 8th on this year's list, moving up one place.
Wojcicki has been part of the Google team since the early days - with Larry Page and Sergey Brin setting up their first office in her garage before becoming marketing manager in 1999. She is now the CEO of video streaming site YouTube, which recently celebrated its tenth anniversary.
Wojcicki's current net worth is $350 Million.
3. Meg Whitman, HPE CEO
Meg Whitman is ranked 9th on this year's list, moving up five places.
Before joining HPE, Whitman was responsible for turning online shopping site eBay into a multibillion dollar business.
Whitman's current net worth is $2 Billion.
4. Ginni Rometty, IBM CEO
Image: Flickr/ IBMphoto24
Ginni Rometty is ranked 11th on this year's list, moving up two places.
Since joining IBM four years ago as chairwoman, president and CEO, Rommetty has had the tough task of reversing the fortunes of the tech giant, which has seen quarter after quarter of revenue declines.
However, investments in data analytics and cloud computing have led to customers wins as Rometty attempts to refocus the business.
5. Angela Ahrendts, SVP for retail at Apple
Angela Ahrendts is ranked 15th on this year's list, moving up 10 places.
As Apple's SVP for retail, the former Burberry CEO is responsible for both online sales channels and bricks 'n' mortars shops at the world's largest company. Ahrendts is currently the only woman on the company's executive board.
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