The Richest in Real Estate Top 100
The Basics
Location: Chicago | Net Worth: $2.10 B
Location: Chicago | Net Worth: $2.10 B

Since 2006, the company has begun divesting assets, selling the Conwood tobacco company for $3.5B in 2006, then selling the Marmon Group to Berkshire Hathaway for $4.5B in 2007 and its majority stake in credit reporting company Transunion in 2010.
In addition to owning TMS International with her brother Thomas, Gigi has founded her own film, production and financing company, Odd Lot Entertainment. Odd Lot has gone on to produce critical darlings like Drive and box-office successes like Ender’s Game.