After a particularly sensitive report by Kotaku accused Riot's "bro culture" of making the company an impossible place to work when you're a woman, the developer responded by saying many instances from the report were handled since.
The report is an extremely grim portrayal of the company, with as much as 28 female employees who worked or are working for Riot Games listing numerous examples of sexism. An anonymous female employee had quit the company over inability to ensure a woman is hired into a leadership position, and that's probably the brightest of the examples.
From mail distributed lists of female employees most fitting for, ahem, procreation, to actual penis pictures, the report says Riot Games is a real fraternity type of place. "I’ve been talking and someone else starts talking and starts to talk louder when I don’t stop", said former employee Kristen Fuller said.
Female employees were constantly being overlooked in favour of newly hired male colleagues and even one male worker said that "the guys who weren't sexist let the guys who were run the show".
To be fair to the company, interviews with current female employees haven't yielded as vilifying reports, although the general consensus seems to be that Riot is not the place of real equality. Note however that there's a significant difference in perceptions of Riot's alleged transgressions between current employees and former ones, for whatever it's worth.
Nevertheless, Riot responded saying they have taken action "against many of the specific instances" contained in the article, lamenting the fact they haven't "lived up to [their] own values". The company is adamant that they have "zero tolerance policy" on such issues and that they'll continue to work on it.
Note however that the obvious preference of male employees can easily be traced back to Riot hiring so called "core gamers" from their own pool so to speak, which happens to be 90 per cent male. Of course, that doesn't mean it has to be 100 per cent sexist.