I have colleagues all round the world. They do not all have photos on their work profiles. I don't have sufficient knowledge of every language used by employees to have an idea of whether many names are typically male or female, and even in my first language (English), I don't know about Sam or Chris or other names that can be either. I don't actually care if the person I'm contacting in Singapore or Tokoyo or even London is male or female - I only really care that they identify as someone who can physically check the network cable and reseat it in the server that isn't responding on that interface (or whatever I happen to be contacting them about.)
English isn't the first language of many of my colleagues, though many of them are totally bilingual- but they're not all fluent, and I don't want to confuse them any more than English grammar already does. If stating pronouns actually gave people more understanding of how pronouns worked, I'd probably be more sympathetic, but they seem more likely to show up that the person stating them doesn't know so much about it, else they'd probably have I/me/my/mine/myself (those are literally my pronouns.) If someone else is speaking to me, they're most likely going to use you/you/your/yours/yourself. They're only going to use she/her/her/hers/herself when I'm not there, but in any person, there are more pronouns that subject/object I'm English, so if they going to state them, they should list the lot, not do half a job.
We have some people (in the US) who state she/her/ella. Why stop at Spanish? I'd be going for French, Latin, German, Dutch, Welsh, Italian, Greek, Russian... do Chinese languages or Japanese use pronouns? Might as well be fully inclusive of all the languages people could speak about me in the third person.
And also the thing about women being more discrimated against if you make it clear you're a woman. Most people I work with know I'm a woman. It can only work in my favour in the male-dominated workplace I'm in if they're assuming I'm just another bloke, for the ones who don't know.