Bill Gates

New book sets out alleged contact between Microsoft founder and disgraced billionaire

Jeff Bezos is No.1 on the rich list ahead of Bernard Arnault and Elon Musk

Company’s board launched investigation into alleged affair between the billionaire and an employee

The billionaire pair have split after 27 years together

And other stories from the stranger side of life

Frenchman’s Tiffany takeover set to further boost coffers

Your guide to the best columns and commentary on Tuesday 12 November

Your guide to the best columns and commentary on Wednesday 25 September

Billionaire philanthropist is spearheading efforts to find lavatory solutions for the world’s poorer nations

President’s wealth plummets as Jeff Bezos records the biggest year-on-year gain ever

None of history’s wealthiest people are alive today

Amazon CEO worth over $100bn - but is he richer than Bill Gates once was?

In Depth: the rise of AI robots could make or break mankind’s future

Biggest donation for two decades brings Microsoft founder's total giving since 1994 to £27bn

Microsoft founder defends UK spending as Prime Minister refuses to say whether 0.7 per cent target will stay

Oxfam report says inequality gap is 'greater than had been feared'

Leaders and businesses vow to give billions to fight global warming amid emotional pleas for action

Two children are paralysed after contracting polio as vaccination rates fall dangerously low

'I am in the camp that is concerned about super intelligence', says Microsoft founder

Share price valuation means the firm Jack Ma started 15 years ago is now worth a total of $167.6bn

Microsoft's former CEO and chairman will be remembered as much for his failures as his successes

Internet is awash with videos of Justin Bieber and and Bill Gates drenching themselves with ice water

Bill Gates endorses Nadella, but some say his presence will undermine confidence in the new boss

Annual rich list is based on 'flawed' methods, claims Prince Alwaleed bin Talal (at number 26)