Mr Bezos also founded space company Blue Origin in 2000, and is funnelling $1 billion a year of his own fortune into pulling it out of start-up mode and into production.
"Jeff remains focused on and engaged in all aspects of Amazon", a company spokesperson said in a statement obtained by FOX Business.
Jeff Bezos' tremendous wealth has magnified the focus on him, though his divorce seems unlikely to enthrall the public like high-profile break-ups involving movie stars such as Brad Pitt and Angelina Jolie. If not, it's not out of the realm of possibility that the two would split their massive fortune. Bezos eclipsed Gates in October 2017.
According to the law in Washington State, where the couple reside, the spouses will have to equitably divide "community property" - including all income earned during their marriage. They left NY on a road trip to Amazon's eventual headquarters in Seattle, with her driving and him writing up the business plan for what would become the world's largest online retailer. Wealthy couples often agree how to divide their assets before bringing the matter to a judge, and those details are often filed confidentially with the court.
"That's the way you would typically have handled this circumstance, and because the announcement came, they most likely have been working on the framework of the settlement", Payseno said.
They made a joint statement on Twitter announcing their divorce. He declined to comment on how the divorce might affect the ownership stake.
Oil industry magnate Harold Hamm's separation from Sue Ann Arnall was far messier. "They make plans for reconnecting with old friends or family, pursuing career, business or educational opportunities that might have been set aside for years", he says. Arnall later sought to reopen the case but the Oklahoma Supreme Court dismissed the appeal in 2015.
Left unanswered was one of the biggest sticking points in any divorce: How the assets amassed during the marriage will be divided.
The most expensive divorce on record in the US involved embattled casino mogul Steve Wynn and his ex-wife Elaine (above in 2008). However, it's no sure bet that he signed one.