Adding Activision.

Contributor: Kathleen Marty, senior software engineer at Activision,
    kmarty@gmail.com
Source: internal headcount

I work at Activision as a senior software engineer. 30 engineers in my
studio: I am the only female. 1 female : 29 males
Adding LookFlow.

Contributor: Bobby Jaros, founder of LookFlow
Source: internal headcount

LookFlow had 5 engineers, 1 female. [Staying together
post-acquisition], but I'll will technically be the product manager so
the denominator will become 4 total engineers.