Bill Gates, Larry Ellison, and Jeff Bezos are among some of the wealthiest tech tycoons here in the U.S.
But there are plenty of extremely wealthy tech executives across the globe who are making major contributions to their country’s tech scenes.
With the help of Forbes’ Billionaires List, we’ve rounded up the wealthiest tech tycoons in 14 countries across the globe. They have each played a major role in technological advances around the world, and they have raked in billions doing it.
Net worth: $US5.1 billion
Background: Eduardo Saverin became a billionaire after cofounding Facebook with Mark Zuckerberg. He was born in Brazil but attended school in the U.S. before renouncing his American citizenship and moving to Singapore in 2012. He still owns about 53 million shares of Facebook stock and spends his time as an angel investor.
Net worth: $US5.3 billion
Background: Calgary native Garrett Camp cofounded StumbleUpon in 2002, when he was still a graduate student. After selling the company to eBay for $US75 million in 2007, he went on to start Uber with Travis Kalanick. Uber was most recently valued at more than $US50 billion.
Net worth: $US25.3 billion
Background: Jack Ma is the founder and executive chairman of Alibaba, the Chinese ecommerce company whose $US25 billion IPO set a record for the New York Stock Exchange in 2014. He grew up poor in communist China, failed his college entrance exam twice, and was rejected from dozens of jobs, including one at KFC.
Net worth: $US9.5 billion
Background: Hasso Plattner joined four former IBM colleagues to found German software company SAP in 1972. In 2013, he signed the Giving Pledge, promising to give at least half of his wealth to charity. Plattner owns a superyacht called 'Morning Glory' as well as a luxury golf course in South Africa.
Net worth: $US3 billion
Background: Shaul Shani, a secretive billionaire who does not allow pictures of himself on the internet, made $US1.4 billion when he sold Global Village Telecom to Vivendi for $US4.5 billion in 2009. He is also the founder of Oshap Technologies, which went public in 1985, as well as Sapiens and Tecnomatix.
Net worth: $US9 billion
Background: Hiroshi Mikitani is the CEO and chairman of Rakuten, Japan's largest e-commerce site. He's made several gutsy moves in the past few years, including buying Ebates for $US1 billion in September 2014 and investing $US300 million in Lyft this March.
Net worth: $US1.04 billion
Background: Eugene Kasperksy is the founder of Kaspersky Lab, a cybersecurity firm that helps protect the data of approximately 300 million people across the globe. He has written extensively and often speaks at security conferences.
Net worth: $US3 billion
Background: Jason Chang is the chairman of Advanced Semiconductor Engineering, the largest semiconductor-packaging company in the world. Though he was born in Singapore, he currently lives in Taiwan and has made significant real estate investments in China.
Net worth: $US2.3 billion
Background: Kim Beom-Su created messaging service KakaoTalk in March 2010. In October 2014, KakaoTalk merged with Daum Communications. When the newly formed Daum Kakao Corp. premiered on the Korean Stock Exchange, it was valued at $US9.5 billion. Kim owns 40% of the company.
Net worth: $US6.7 billion
Background: Terry Gou is the chairman and founder of Foxconn, a Taiwanese company that manufactures electronics for tech companies like Apple. Foxconn is one of the largest private employers in China and one of the largest supply chain manufacturers in the world.
Net worth: $US1.01 billion
Background: Though the deal is currently under investigation by the U.S. Department of Justice, Michael Lynch became a billionaire when his software company Autonomy was purchased by Hewlett-Packard in 2011. HP has since sued Autonomy for $US5.1 billion over alleged accounting fraud. Lynch currently leads a British venture capital firm called Invoke Capital.
Net worth: $US79.3 billion
Background: Microsoft cofounder Bill Gates has topped Forbes' list of the wealthiest people in the world for 16 of the last 21 years. He's spent the last few years focusing on philanthropic work with the Bill & Melinda Gates Foundation and has convinced more than 100 of the world's wealthiest people to donate at least half of their fortune as part of the Giving Pledge.