The Italian producer will now play shows on Jan. 10 and 11, along with his previously announced six performances.
The XO Stream, which will allow those beyond Las Vegas to view the Exosphere, was one of several features the venue debuted during its 4th of July event.
The executive's new employment contract runs through June 30, 2027.
The firm founded by the billionaire hedge funder previously owned and sold a smaller stake in the company.
Dolan will be paid a based salary of $1.5 million per year and is expected to receive one or more incentive awards worth at least $8.6 million.
Also this week: DiMA doubles down on its svp of government affairs, APM Music elevates a sync licensing veteran and Reed Smith adds counsel.
The gigs are the first new shows at the mind-bending venue since the kick-off of Dead & Company's current run.
The executive, who joined the company in January from Google, was previously president of Sphere Business Operations.
On Sayer's 10th anniversary at the London arena, the executive takes stock of his biggest challenges, discusses how the pandemic changed the live business and more.
Grosses for the top 10 tours at midyear were up 83% from last year's combined tally.
