Michael Bloomberg and Lei Jun

Michael Bloomberg and Lei Jun represent two very different paths to becoming influential technology and business leaders. Bloomberg built a global financial-information empire and later served as New York City’s mayor, while Lei Jun transformed Xiaomi from a startup into a major consumer-electronics and electric-vehicle company. Both are self-made entrepreneurs known for long-term thinking, innovation and major investments in their industries. Their backgrounds, education, careers, family lives and fortunes show how different strategies can lead to extraordinary business success.

Michael Bloomberg and Lei Jun Quick Bio

Category	Michael Bloomberg	Lei Jun
Full Name	Michael Rubens Bloomberg	Lei Jun
Date of Birth	February 14, 1942	December 16, 1969
Age	84 years	56 years
Net Worth	About $94.9 billion (Forbes real-time estimate, Sept. 12, 2026)	About $21.2 billion (Forbes real-time estimate, Sept. 12, 2026)
Birthplace	Boston, Massachusetts, USA	Xiantao, Hubei, China
Nationality	American	Chinese
Profession	Businessman, entrepreneur, investor, philanthropist and former mayor	Technology entrepreneur, businessman, investor and executive
Best Known For	Co-founding Bloomberg L.P., creating the Bloomberg Terminal and serving as New York City mayor	Founding and leading Xiaomi and expanding it into smartphones, smart devices and electric vehicles
Nickname	Mike	Lei Jun is sometimes compared with Steve Jobs because of his technology leadership
Parents	William Henry Bloomberg and Charlotte Rubens Bloomberg	Both parents were reportedly teachers
Siblings	Family details are relatively private	Public information about siblings is limited
Education	Johns Hopkins University — bachelor’s degree; Harvard Business School — MBA	Wuhan University — bachelor’s degree in Computer Science, 1991
Height	Around 5 ft 7 in (170 cm), commonly reported	No consistently verified official height
Weight	Estimated around 75–80 kg	No consistently verified official weight
Hair Color	Gray/white	Black/dark, with gray appearing with age
Eye Color	Brown	Dark brown, commonly reported
Marital Status	In a long-term relationship with Diana Taylor; previously married Susan Brown	Married
Wife/Partner	Susan Brown was his former wife; Diana Taylor is his long-term partner	Zhang Tong
Children	2 — Emma and Georgina	2 children
Early Career	Joined Salomon Brothers in 1966 and worked there for about 15 years	Joined Kingsoft in 1992 and eventually became its CEO
Major Business Founded	Bloomberg L.P. in 1981	Xiaomi in 2010
Other Business Interests	Bloomberg Philanthropies and various investments	Kingsoft, Shunwei Capital and other technology investments
Bloomberg L.P. Ownership	Forbes says Bloomberg owns about 88% of Bloomberg L.P.	—
Xiaomi Role	—	Co-founder, Chairman and CEO of Xiaomi
Kingsoft Role	—	Chairman of Kingsoft
Electric Vehicle Business	—	Led Xiaomi’s expansion into electric vehicles, beginning with the EV ambition announced in 2021
Political Career	Mayor of New York City, 2002–2013; served three terms	Has served as a deputy to China’s National People’s Congress
Major Career Achievement	Turned financial data and market information into a global media and technology business	Turned Xiaomi into a major global consumer-electronics company
Major Products/Brands	Bloomberg Terminal, Bloomberg News and Bloomberg media services	Xiaomi smartphones, smart-home products and Xiaomi EVs
Famous For in Business	Financial information, media, data terminals and entrepreneurship	Smartphones, consumer electronics, technology and electric vehicles
Philanthropy	Bloomberg Philanthropies, supporting public health, education, climate, arts and government innovation	Supports education, technology and charitable initiatives, including significant giving connected with Wuhan University
Estimated Lifetime Giving	Forbes reports more than $21.1 billion donated during his lifetime in its current profile	Has made major charitable contributions, particularly toward education and technology
Awards & Recognition	Numerous civic, business and philanthropic honors	Forbes Businessman of the Year recognition and inclusion in TIME 100
Instagram/Social Media	No widely established personal Instagram account	Stronger public presence on Chinese social platforms, particularly Weibo
Career Turning Point	Leaving Salomon Brothers with roughly $10 million in 1981 gave him the capital to build Bloomberg L.P.	Building Xiaomi after his earlier career at Kingsoft became the defining chapter of his entrepreneurial career
Major Industry	Finance, media and technology	Consumer electronics, software and electric vehicles
Business Style	Data-driven, diversified and finance-focused	Product-focused, technology-driven and consumer-oriented
Current Position	Founder and principal owner of Bloomberg L.P.; major philanthropist	Founder, Chairman and CEO of Xiaomi
Current Wealth Rank	Around No. 20 worldwide according to Forbes’ Sept. 12, 2026 real-time profile	Around No. 129 worldwide according to Forbes’ Sept. 12, 2026 real-time profile
Overall Legacy	Built one of the world’s most influential financial-information companies and became a major public figure in New York	Helped establish Xiaomi as one of China’s best-known technology brands while pushing into the EV market

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