The Four Archetypes of Staff Engineers

In your book you outline four archetypes of staff roles namely architect tech lead solver and right hand. Can you tell us a little bit more about these the shapes of them what they look like in practice? I was trying to figure out how do we describe them in a way that acknowledges the fact that different companies have just a different kind of needs, he says. "These folks are real and important but often like kind of ignored because they don't fit into this like team structure"