Arash Ferdowsi is a co-founder of Dropbox, which went public in March.
Source: Dropbox Stock Pop Puts Kansas Native in Tech Billionaires Club, Bloomberg
Daniel Ek is a co-founder and CEO of Spotify, which went public in April.
Source: Spotify Founders Enriched to the Tune of $5.8 Billion in Listing, Bloomberg
Binny Bansal is a co-founder and CEO of Flipkart, which sold 77% of its stake to Walmart in May.
Source: Walmart’s $16 Billion India Investment Hits Waltons' Fortune, Bloomberg
Sachin Bansal (no relation to Binny) is also a co-founder of Flipkart.
Source: Walmart’s $16 Billion India Investment Hits Waltons' Fortune, Bloomberg
Vlad Tenev and Baiju Bhatt are the co-founders and co-CEOs of Robinhood, which had a funding round that pushed the company's valuation up to $6 billion in May.
Source: Robinhood Founders Are Billionaires in Silicon Valley Minute, Bloomberg
Pavel Baudiš is a co-founder of Avast, which went public in London in May.
Source: Tech Twosome That Snubbed Communists Strikes Blow for Capitalism, Bloomberg
Tom Preston-Werner, Chris Wanstrath, and PJ Hyett are the co-founders of GitHub, which was acquired by Microsoft in June.
Source: GitHub Billionaires Will Own More Microsoft Stock Than Its CEO, Bloomberg
Arnout Schuijff is a co-founder and CTO of Adyen, which went public in June.
Source: Adyen Co-Founder Now a Billionaire as European Tech IPO Soars, Bloomberg