He also attended Stockholm University from 1995 to 1997, where his studies in economics included participation in graduate level courses despite the fact that he had not completed a bachelor's degree.

Klas Eklund, senior economist at SEB, said that Borg "is very quick, he reads profusely, he soaks up information like a sponge and he's very receptive, very intelligent.

Borg has been recognised as the mastermind behind the new Swedish government's economic doctrine, focusing on proactive measures against unemployment: an incremental dismantling of the social democratic welfare state, with larger self-financing of welfare systems, lower taxes and fewer benefits as the way to create new motivation to work and more business opportunities and creation of jobs.

On 5 September 2007, Minister for Defence Mikael Odenberg resigned from the cabinet due to disagreement with Borg regarding funds for the Swedish Armed Forces.

[4] On 29 November 2008, Borg, in an interview on Swedish TV4, criticized US President-elect Barack Obama's economic agenda calling it "untenable".

The purpose was to use the reputation of Sweden and Swedes in marketing unpopular policies to Finnish people in a situation where International Monetary Fund was in bad light due to its operations in Greece and Spain.

He resigned as deputy chairman of technology investment group Kinnevik and as adviser to Citigroup 2017 amid a scandal over his allegedly drunken behavior at a party.

[6] In 2018 Borg joined IPsoft as Senior Advisor, with main role to promote the company's AI platform Amelia.

[11] In July 2017, Borg was involved in a scandal due to his behaviour at a party in Stockholm, where, heavily intoxicated, he is alleged to have acted in an extremely vulgar, invasive and obscene manner, showing off his private parts amongst other things.