So far, CEO Jack Dorsey has not been able to deliver on his promise to get Twitter back on track.
The new appointment comes after four top executives left Twitter.
Kordestani's appointment allays concerns about Co-founder Jack Dorsey's dual role as head of the mobile payments company Square.
For those who don't spend all day on Twitter or get why it's useful, here's an attempt to reveal the "magic" of the platform.
The microblogging platform is struggling to attract users and may ditch its 140-character limit.
Dorsey was previously fired as CEO in 2008.