Women don’t wait for the future. The 2018 Inaugural Top 50 Women In Technology lists identify three generations of forward-thinking technologists leading more than a dozen tech sectors across the globe. In November, we introduced America’s top 50 women working in STEM. The Forbes Europe list, which began this multipart series, launched on the eve of Ada Lovelace Day in October, honoring the first computer programmer. We close out the year with the Top 50 tech Moguls, Founders, Engineers, Innovators and Warriors in the world.

The Top 50 Women In Tech is an unranked assessment of technologists in five categories: Moguls, Founders, Innovators, Engineers and Warriors. The list showcases the breadth and depth of entrepreneurial women who are changing the world. We combed through top tech companies, academic institutions, government agencies, professional associations, nonprofits and startups to identify contenders. Only women who are actively participating in tech-focused businesses or fields were considered. A science, tech, engineering or math background was also required, obtained either through formal education or personal study and experience. C-suite executives were eligible only if their work demonstrated hands-on tech experience.