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John David McAfee is an American computer programmer and businessman. He founded the software company McAfee Associates in 1987 and ran it until 1994, when he resigned from the company. McAfee Associates achieved early success as the creators of McAfee, the first commercial antivirus software, and they now produce an entire line of enterprise security software. The company was renamed to Intel Security in 2011 after being purchased by Intel, though the software still retains the McAfee brand name. McAfee's wealth peaked in 2007 at $100 million, before his investments suffered in the global financial crisis that began that year.

John McAfee by Gage Skidmore.jpg
McAfee in June 2016.
Born John David McAfee
(1945-09-18) September 18, 1945 (age 71)
United Kingdom
Nationality American and British
Alma mater Roanoke College
Occupation Software developer, founder of McAfee, CEO of MGT Capital Investments Inc.
Known for McAfee, Inc
Political party Libertarian Party
Spouse(s) Janice Dyson (m. 2013)
Website www.whoismcafee.com

John David McAfee (/ˈmækəf/ MAK-ə-fee; born September 18, 1945) is an American computer programmer and businessman. He founded the software company McAfee Associates in 1987 and ran it until 1994, when he resigned from the company. McAfee Associates achieved early success as the creators of McAfee, the first commercial antivirus software, and they now produce an entire line of enterprise security software. The company was renamed to Intel Security in 2011 after being purchased by Intel, though the software still retains the McAfee brand name. McAfee's wealth peaked in 2007 at $100 million, before his investments suffered in the global financial crisis that began that year.

He is also a political activist, who sought the Libertarian Party nomination for President of the United States in the 2016 election, losing to former New Mexico governor Gary Johnson. McAfee also has interests in smartphone apps, yoga, and all-natural antibiotics. He resided for a number of years in Belize, but after several disputes with the authorities in Belize and Guatemala, he returned to the United States in 2013.

Gringo: The Dangerous Life of John McAfee | Official Trailer | A Film by Nanette Burstein

Documentary about the bizarre and scandalous life of tech millionaire John McAfee - famed inventor of anti-virus software - who goes off the grid to live in Belize, ...

The wild life of John McAfee, mysterious cybersecurity pioneer

McAfee has gone from being an anti-virus software inventor to a person of interest in a murder to a presidential candidate.

John McAfee's lab in Belize raided on suspicions he was making meth: Part 2

No drugs were found in McAfee's lab, and he left the jungle and moved back to Ambergris Caye.

McAfee's Murder Mystery

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John McAfee tells the inside story behind his outrageous viral video

Eccentric software developer John McAfee recently stopped by Business Insider to discuss a range of topics. We asked him to give us the backstory of an ...

John McAfee says he 'had nothing to do' with neighbor's murder

In an ABC News exclusive, the tech mogul speaks about the 2012 murder of Gregory Faull, his neighbor in Belize.