Twitter appoints new head of product

Twitter Inc appointed Kevin Weil head of product, broadening his responsibilities and shifting another executive into a different role as part of the change, said a person with knowledge of the matter.

Daniel Graf, who was hired from Google Inc and had been head of consumer product since April, has moved into a special projects job, said the person, who asked not to be identified because the details are private. Weil, who was previously head of revenue product, is the fifth product head at Twitter in as many years.

Chief Executive Officer Dick Costolo is working to release new features more quickly, with Twitter trying to build up its user base and expand its tools for advertisers, said the person. The San Francisco-based company has struggled to increase membership fast enough to satisfy investors, even as revenue has risen.

Graf didn't respond to a request for comment. Natalie Miyake, a Twitter spokeswoman, declined to comment. The Wall Street Journal reported Graf's job change yesterday.

Twitter has cycled through several top executives this year, replacing its chief financial officer and ousting its chief operating officer. The company earlier this week lost a top engineering executive, Jeremy Gordon, as well as analytics manager Adam Kinney.