Kazuyuki Hirai

Would you expect anything less? Have at least one original repo where Python is the dominant language

The walrus is no stranger to variety. Use at least 4 different languages throughout all your repos

Have at least one original repo where scala is the dominant language

Have at least one original repo where Ruby is the dominant language

Have a project valued enough to be forked by someone else

Fork and commit to someone's open source project in need