Here is the list of top startups by Microsoft Alumni
1. OpenAI
Artificial intelligence research and development platform offering advanced language models. It enables businesses and individuals to build and integrate AI capabilities into their applications and services. It is a technology company specializing in the development of artificial intelligence models, including the popular ChatGPT, which enables users to interact with AI-powered conversational interfaces. The company's research focuses on achieving artificial general intelligence, a system that can solve complex human-level problems, while prioritizing safety and benefits. It provides its AI models through an API platform, enabling developers to integrate AI capabilities into their applications.
Key facts about OpenAI
- Founded Year: 2015
- Location: San Francisco (United States)
- Stage: Series F
- Total Funding till date: $180B
- Investors: Microsoft, SoftBank Group and 101 Others
- Latest Funding Round: Series F, Apr 22, 2026, $*****
- Tracxn Score: 89/100 What is this?
- Competitors Rank: 1 of 192 Competitors

2. DocuSign
Provider of electronic signature and intelligent agreement management platform solutions. The platform offers tools for contract lifecycle management, agreement preparation, and agreement workflow automation. It provides features such as electronic notarization, web forms, and multi-channel delivery options. The platform extends its capabilities through integrations, APIs, and a mobile application.
Key facts about DocuSign
- Founded Year: 2003
- Location: San Francisco (United States)
- Stage: Public
- Total Funding till date: $520M
- Investors: Second Century Ventures, Frazier Technology Ventures and 92 Others
- Latest Funding Round: Post IPO, Jul 20, 2020, $*****
- Tracxn Score: 89/100 What is this?
- Competitors Rank: 1 of 1,054 Competitors

3. Lenskart
Online eyewear retailer offering a range of eyeglasses, sunglasses, and contact lenses for sale. It is an eyewear company offering a wide range of eyeglasses, sunglasses, and contact lenses through its e-commerce platform and physical stores. The company utilizes technology-driven features such as 3D try-on and prescription services to enhance customer experience.
Key facts about Lenskart
- Founded Year: 2008
- Location: Gurugram (India)
- Stage: Public
- Total Funding till date: $981M
- Investors: Unilazer Ventures, TPG and 56 Others
- Latest Funding Round: Series I, Jul 21, 2023, $*****
- Tracxn Score: 88/100 What is this?
- Competitors Rank: 1 of 138 Competitors

4. Duolingo
Developer of mobile applications for learning various foreign language skills. The platform utilizes interactive exercises and gamified lessons to teach vocabulary, grammar, and pronunciation. Users progress through structured levels while receiving immediate feedback on their performance. The software adapts curriculum content based on individual user progress and accuracy.
Key facts about Duolingo
- Founded Year: 2011
- Location: Pittsburgh (United States)
- Stage: Public
- Total Funding till date: $183M
- Investors: CapitalG, Drive Capital and 19 Others
- Latest Funding Round: Series H, Nov 18, 2020, $*****
- Tracxn Score: 87/100 What is this?
- Competitors Rank: 1 of 4,211 Competitors
5. Rover
App-based pet sitting marketplace. The platform connects dog owners with dog sitters who look after pets at owners own homes. It allows users to find other pet-care service providers and book using the platform by making an online payment. Its service offerings include dog boarding, house sitting, dog walking, pet grooming, and more. The app is available for iOS and Android devices.
Key facts about Rover
- Founded Year: 2011
- Location: Olympia (United States)
- Stage: Acquired
- Total Funding till date: $409M
- Investors: Menlo Ventures, Foundry and 34 Others
- Latest Funding Round: Venture Debt, May 24, 2018, $*****
- Tracxn Score: 87/100 What is this?
- Competitors Rank: 1 of 752 Competitors