Peter Drucker, the original management thinker came up with the idea of Management by Objectives popularly known as MBO in the 1950’s. It seems Andy Grove adapted the basic tenets of MBO to create his OKR approach, inspired by Drucker’s The Practice of Management.
John Doerr who witnessed the power of OKR’s while working closely with Andy Grove, insists that to make OKR adoption meaningful, the entire organization must participate.
https://www.ted.com/talks/john_doerr_why_the_secret_to_success_is_setting_the_right_goals
