Meet Airbnb’s official party pooper, who reduced partying by 55% in two years

Naba Banerjee is the person in charge of Airbnb ’s worldwide ban on parties.

She's spent more than three years figuring out how to battle party “collusion” by users, flag “repeat party houses” and, most of all, design an anti-party AI system.

The company says party reports dropped 55% between August 2020 and August 2022 , according to the company.

Since the worldwide launch of her system in May , more than 320,000 guests have been blocked or redirected from booking attempts.

Airbnb bans high-risk reservations by users under the age of 25 , especially those who didn't have history on the platform.

Banerjee's team created a 24/7 safety line for hosts, rolled out a neighborhood support line, and decided to staff up the customer support call center.

The party-banning algorithm looks at hundreds of factors: the reservation's closeness to user's birthday, the user's age, length of stay, proximity to where the user is based, how far in advance the reservation is.

Airbnb has rolled out its reservation screening AI in the U.S. and Canada .

The algorithms are trained partly on tickets labeled as parties or property damage.

They're also trained on what "good" guest behavior looks like, such as someone who checks in and out on time, leaves a review on time.