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Who Geoff Smart and Randy Street
Alex MacCaw • The Great CEO Within: The Tactical Guide to Company Building

Embracing Paradox
Brad and Geoff Smart are the experts in this field. I highly recommend their books Foolproof Hiring and Who: The A Method for Hiring.
Verne Harnish • Start to Scale
The first failure point of hiring is not being crystal clear about what you really want the person you hire to accomplish.
Randy Street • Who: The A Method for Hiring
are multibillion-dollar revenue companies, what matters is having: (1) the right strategy in the right market, (2) an A management team, and (3) financial discipline. The difference between an A and a B CEO produces an order of magnitude difference in the return.”
Randy Street • Who: The A Method for Hiring
For an excellent overview, read Geoff Smart and Randy Street’s book Who: The A Method for Hiring; to learn the details of the process, read Bradford D. Smart’s book Topgrading: The Proven Hiring and Promoting Method That Turbocharges Company Performance.
Verne Harnish • Scaling Up : How a Few Companies Make It...and Why the Rest Don't (Rockefeller Habits 2.0)

talent sets the floor, but character sets the ceiling.