For many years T.V. Raman has been a force to be reckoned with in the accessibility world. He has written his own screen reading programs and worked for several major companies. The NY Times story describes some of his current work at Google:
Google’s many web interfaces have varying levels of accessibility. The basic search screen that we all know has been functional from the beginning, and added more structure (heading tags) about two years ago. The Gmail interface is much more difficult, but many accessibility improvements have been made as the service has evolved. However, the Chrome browser is reaching its completed “1.0” status without any screen reader accessibility.
You may follow selected projects of interest from the myriad of Google activities on our Google Development(s) page.