Über collects former Google executives of Facebook to accelerate the growth of the company

Uber, arguably the leader in service to share trip that took the car to the masses, is completing its management team.

The start-up start-up based in San Francisco has picked up a trio of experienced executives from some of the best-known companies in Silicon Valley: Google, Facebook and Klout.

Brent Callinicos, who has been hired as first Chief Financial Officer of Uber is.

Callinicos, who recently served as vice President, Treasurer and accountant general manager at Google, will begin in über on September 9.

Callinicos hiring is also leading to more speculation that demand for cars could be directed towards an IPO, now that you have a Chief Financial Officer on board.

Callinicos is accompanied by previous Klout COO Emil Michael and Ed Baker, previously Chief of the international growth of Facebook, as well as co-founder and CEO of friend.ly.

Michael has been recruited to serve as senior Vice President of business in the Uber, while Baker has been hired as head of growth.

Both Baker and Michael begin immediately.

The moment probably couldn't have been better or more urgent.

Uber said it was worth about $3.5 billion from mid-August following investment of $88 million made by private equity giant TPG and another $250 million from Google Ventures.

Although the company has climbed to serve more than 35 cities around the world since its launch in 2009, level c-level of Uber has been very small so far, made up of a handful of people - including founder and CEO Travis Kalanick.

Image via Uber