During their GDC 2019 presentation, Google revealed that they have started a new first-party studio to develop games exclusively for Stadia. This new studio is called Stadia Games and Entertainment and is being led by Jade Raymond. A short while ago, Jade announced that she had joined Google as Vice President, but couldn’t give further details at the time.

Jade Raymond, Head of Stadia Games and Entertainment: 

Jade Raymond Stadia