A settlement agreement leads to dispute over tax deductions.

What you need to know about the businessman who managed to secure the most expensive work by an American artist sold at auction. 

A Q&A with David de Jong, author of a recent book on wealthy German families with fortunes launched by industrialists complicit in the Holocaust.

Jared Birchall, head of Musk's family office Excession, runs point for the capricious, controversial billionaire.

What's a practitioner to do when faced with this ethical dilemma?

The agreement reduced a $98.1 million tax assessment to approximately $17 million.

Which tax-free transactions will trigger an estate tax if the taxpayer dies after the higher exemption amount sunsets?

The latest move in an industrywide surge towards investments for wealthy individuals.

Hwang, the billionaire behind Archegos Capital Management, is facing 380 years in prison.

More than 70 law firms have relocated to the island in last decade.