At big companies there are high level IC roles, supposedly "mirroring" the manager levels, for people who are the "creators" and effect change in tech on a larg

At big companies there are high level IC roles, supposedly "mirroring" the manager levels, for people who are the "creators" and effect change in tech on a large scale without people management. For example I remember at Facebook I attended a "class" on keyboard shortcuts, taught by one of the creators of a *nix utility (I forget which)