Clockwise from top left: Sarah Cannon, Tony Xu, Isha Ambani, Dhaval Shah, Céline Dufétel, Manu Jain, Amir Barsoum, and Michael Kapps
The magazine expanded the list to five categories this year: finance, technology, healthcare, government and politics, and media and entertainment.
Here are the eight alumni on this year's global list. Click on their names to read more on Fortune's site.
FINANCE
Sarah Cannon (DCO 07-09), Partner, Index Ventures. Sarah works with ground-breaking companies such as Slack, Linear, and Pitch, and her investments include unicorns Instabase and Notion.
Céline Dufétel (PAR, NYO 04-14), CFO, T. Rowe Price. Céline, who leads a global team of 700, is one of only a handful of female CFOs of S&P 500 companies, and the only one under 40. She is responsible for the firm's strategy, investor relations, and M&A, as well as its global investment operations and pandemic response.
HEALTHCARE
Amir Barsoum (CAI 08-10), Founder and CEO, Vezeeta. Serving Middle Eastern and North African markets, Vezeeta is a medical platform where users can book appointments with healthcare professionals, as well as rate them. Amir plans to expand into telemedicine.
Michael Kapps (SVO 12-13), Founder and CEO, Vitalk Health. Vitalk, a virtual health assistant, has been instrumental in reaching low-income residents in Brazil. During the pandemic it helped to identify thousands of COVID-positive patients. Michael is in the process of rolling out a new AI-based product that will address mental health issues.
Dhaval Shah (MUM 14-15), Co-founder, PharmEasy. Pharmeasy delivers prescriptions and diagnostic services to more than 700 cities in India. Dhaval, a medical doctor, teamed up with an engineer to focus on smooth logistics.
TECHNOLOGY
Isha Ambani (MUM, NYO 13-14), Board of Directors, Reliance Jio. Isha and her twin brother, Akash, are the next-generation leaders of the 47-year-old Indian conglomerate Reliance. A board member of telecom subsidiary Reliance Jio, she helped secure company investments in Facebook, Google, Qualcomm, and Intel.
Manu Jain (DEL 07-11), Global VP, Xiaomi and MD, Xiaomi India. In just three years, Manu has turned Xiaomi into the leading smartphone provider in India -- as well as the leading smart TV and power bank seller.
Tony Xu (CHI 07-09), Co-founder and CEO, DoorDash. Tony has taken DoorDash from its humble beginnings as a business school project at Stanford to becoming the U.S.'s leading food delivery business, with 46% market share. It's now valued at $16 billion.