Britain’s technology sector has reached $1 trillion in value - that’s over £800 billion - which makes Britain only the third country ever to hit this financial milestone, after the US and China.

The untold wealth of 100 tech company founders is revealed in the first Evening Standard Tech Rich List - but what do they spend their spare cash on?

Vacuum cleaner tycoon Lord Dyson tops the list at over £17 billion, while Sir Richard Branson and Lord Sugar also make the top 10.

Tech reporter Simon Hunt discusses the methodology behind the list, who’s up and who’s down, diversity in the digital sector and London’s business outlook.

In part two, we meet Christian Angermayer, founder of life sciences and fintech backers Apeiron Investment Group - who's on the ES Tech Rich List.

We discuss London’s future for global tech culture, how Brexit’s impacted business confidence, biotech investment in psychedelic drugs such as magic mushrooms for healing therapies - and his ancient art collection.

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