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Matthew Staver/Bloomberg News
Martin Varsavsky, 49
Founder, Chief Executive, Fon
Martin Varsavsky’s blog
No. of Angel Investments: 28
Companies funded (a sampling): 23andMe, Dopplr, Eolia, Joost, Plazes, Tumblr, Wikio
Martin Varsavsky is the founder of seven companies, including a real estate development business he started while he was an undergrad at New York University. His latest venture, Madrid-based FON, hopes to create a global mesh of Wi-Fi hot spots for an inexpensive way to connect the wireless Web. Varsavsky is the most international angel of our group, with only 31% of the companies in his portfolio based in the U.S.